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April 10, 2026
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"Only two species of s of world-wide distribution are at present known which commonly attack the in numbers sufficient to cause serious injury directly due to their feeding operations. These are are the "potato aphid" (' ) and the "green peach aphid" or "spinach aphid" (' ). A third species, apparently also of world-wide distribution, is often present on the potato, frequenting especially the underside of the lower leaves. This is the "buckthorn aphid" (' Patch); which may, under certain conditions, sometimes cause infestations of a serious nature. All three of these species have been proved to be capable of spreading certain s under experimental conditions; and there can be no logical doubt that they function in the same way in the field. Wherever potatoes are grown for seed purposes these three species of aphids may need to be reckoned with."
"White masses looking like patches thick mold often occur on , especially about pruning wounds or other scars the trunk and branches and upon s. Beneath this substance are colonies of rusty colored or purplish brown plantlice known as "wooly aphids" on account of the appearance of white covering which is, however, really composed of waxen filaments. The species is common in Maine on , , and and some other ."
"Tomato anthracnose is a serious disease of processing es caused by the ' and is a threat to tomatoes grown in . To minimize the mold count in processed tomato products, processors impose a strict limit on the amount of anthracnose acceptable on the raw product. ... The fungus survives the winter as seedlike structures called and as threadlike strands called e in infested tomato debris. In late spring the lower leaves and fruit may become infected by germinating sclerotia and spores in the soil debris. Infections of the lower leaves of tomato plants are important sources of spores for secondary infections throughout the growing season. Senescent leaves with early s and leaves with injury are especially important spore sources because the fungus can colonize C. coccodes and produce new spores in these wounded areas."
"affects cabbage cultivars grown for , storage, and fresh market. The disease is caused by the '. This fungus can cause serious losses in the field, in storage, and under transit and market conditions. S. sclerotiorum is widely distributed in relatively cool and moist areas throughout the world. The fungus has a wide host range and is known to attack over 360 species of plants. In the family alone, it has been recorded on 18 genera and 32 species. In the fungus is capable of infecting many types of vegetables and is particularly serious on s. It also infects weeds such as , , and wild clover.."
"She made foundational discoveries and revolutionized many tools and techniques of that paved the way for tremendous progress in our understanding of cancer."
"Beatrice Mintz, known as “Bea” to her friends, was a developmental geneticist. ... Her pioneering work had a major impact on many different areas of science. She began her career addressing one of the most complex and fascinating questions of development: how the many different and diverse tissues in an organism are initiated and develop from a single fertilized egg. In the early 1960s Bea—at about the same time as in Poland and in Philadelphia—generated the first chimeric mice by combining early, genetically distinct, mouse embryos. She had contemplated this experiment for many years at the and began to work seriously on it after moving to (discussing the project with her colleagues) … And indeed, this manipulation of embryos was a breakthrough to a new era of experimental work in mammalian development. (Bea did not like the designation “chimera” because of its association with “monsters” in Greek mythology; she described these mice as “allophenic.”)"
"s owe their existence to a population of persistently proliferating s which probably originate from the normal generative cells of that ... Normal stem cells ordinarily tend to give rise to non-dividing terminally differentiated cellular progeny; malignant stem cells, on the other hand, suffer an impairment of differentiation. Early in embryonic life, stem cells are developmentally versatile; the earliest ones, e.g., s in the mouse, are , or individually capable of forming an entire organism. s are exceptional tumors in that they contain a multiplicity of tissues, a characteristic implying that their stem cells arise from cells more developmentally primitive than is the case in other malignancies."
"In higher organisms, the cells of an individual become greatly diversified despite their identity of . How such diversification is achieved and how supra-cellular organization then comes about have remained largely obscure. A new way of getting at theses questions was formulated in ; its purpose was to subject the pivotal genotype-phenotype relationship to experimental manipulation. The intact organism was taken to be the necessary framework for such an experimental study of gene expression, and the mouse, with its wide variety of available s, was easily the most promising vertebrate species. The plan was to make artificial mice: within each, cells with different, rather than identical, genotypes would be included. ... Certain kinds of had previously been extensively employed in studies with '. ... The first indication, in a mammal, of an admixture of genotypes came with 's discovery of erythrocyte mosaicism in fraternal cattle co-twins. ..."
"The huge, forward-projecting of the male is his chief sexual characteristic and white skin aournd the eye is a peculiarity of the female. Many African s have brightly colored patches of skin and wattles about the head and neck."
"... in the north are as wary as . They make a low pecking, the blows coming slowly, when excavating in rotting logs and trunks. It is these sounds that I follow in trying for a view of their activities. They someties work on large s and s, digging into the where have their galleries."
"When I began studying birds at age fourteen, I was fortunate in having 's Handbook of Birds of Eastern North America and 's Birds of Massachusetts and other New England States, the three volumes of which were then just coming out. I remember carrying Chapman's handbook with me into the woods and sitting on a stump to identify a beautiful bird I had seen—yellow on the belly with a black bib, and bright red on throat and crown—a ! I had made a discovery by myself. If I have carried my boyhood enthusiasm for learning about birds into old age, it is in part because by interest has never been dulled by too many classes, lectures, workshops, meetings, or other experiences that can kill initiative. It is better to learn ten birds on one's own than several hundred following a leader. Learning on one's own is especially important if you want to make discoveries. ... Watching birds and other animals for enjoyment should be something that makes us think."
"As a society, we encourage selfishness. We expect people to be interested primarily in their private or family welfare, with little concern for community needs. The care of the sick, old, disturbed, or poor, for example—a task that most societies take for granted—is carried out grudgingly, carelessly, or not at all."
"Instead of using money to serve ourselves, we use ourselves to serve money."
"[If] you brainwash people into forgetting that they're part of each other, you can manipulate them...that's how individualism leads to fascism - divide and conquer."
"Our economy is based on spending billions to persuade people that happiness is buying things, and then insisting that the only way to have a viable economy is to make things for people to buy so they'll have jobs and get enough money to buy things."
"It is easy to produce examples of the many ways in which Americans attempt to minimize, circumvent, or deny the interdependence upon which all human societies are based. We seek a private house, a private means of transportation, a private garden, a private laundry, self-service stores, and do-it-yourself skills of every kind. An enormous technology seems to have set itself the task of making it unnecessary for one human being ever to ask anything of another in the course of going about his daily business."
"The troubles we're experiencing didn't arise because someone made the wrong economic prediction, or used the wrong economic indicator or the wrong theory of corporate investment. They arose because we've been using our energies mindlessly for decades; we've put our labor and resources into activities that have brought us nothing back."
"We walked lonely es and s, and we delighted in and s, but we made no great lists. Books that I like at the time were books written by observers, people doing the kind of that I wanted to do; books such as Henry Beston's and 's Beach Grass. They exemplified an idea type of natural history: you lived within walking distance of a beach, marsh, woods, or mountain and started observing."
"Professionally Lawrence Kilham is a who teaches at , but he is widely known for his papers on bird behavior, particularly those dealing with s. Never Enough of Nature is a personal account of the experiences with wild and captive animals that provided data for many of the scientific papers. The book was illustrated by the author's relatives, primarily his wife, Jane. The early chapters of the book deal with field experiences in South Carolina and Georgia, but others take the reader to Africa, Panama, and New England."
"The idea that everybody wants money is propaganda circulated by wealth addicts to make themselves feel better about their addiction."
"Conflict will never be eliminated from human affairs. Conflict is simply the active expression of difference, and an essential part of human development. Without conflict change would be impossible. Our goal as a species at this point in our development is to mold a world in which conflict can be contained within a larger embracing understanding—the realization that we share certain goals and aspirations in common, no matter how much we scream at each other about procedures."
"[If] the purposes for which money were designed were fulfilled completely, there would be no reason for humans to exist as decision-making beings."
"Later practitioners improved upon Mitchell and Stoughton only by extending the list of sins, by going into greater detail. Year by year the stock enumeration grew, and once a new sin was added to the series it kept its place in subsequent editions."
"The chapters of this book present a sampling from his lifetime of behavior watching, the s liberally salted with philosophy and quotes from past and present nature watchers. Kilham strongly believes that great satisfaction can be derived from sitting in one place and learning about in depth. He always prefers to be unobtrustive in his watching and never, for example, has . He suggests that it is best to learn about a bird first hand and then read about it. ... ... Kilham writes well and is obviously a very experienced and keen observer of nature. If you are a behavior watcher you will love this book. If you are not, you probably ought to read it anyway. It may stimulate some new interests and in the long run increase the pleasure you get from birds."
"I'm enjoying being a part of conversations around workforce gaps, diversity equity inclusion in our area, and creating a better and stronger sense of belonging. Those things are near and dear to me."
"[E]very morning all 200 million of us get out of bed and put a lot of energy into creating and re-creating the social calamities that oppress, infuriate and exhaust us."
"American capitalism of 1830 to 1860 was a riot of extravagance. Hundreds of those who glistened in New York and Boston in the 1840's are forgotten. A few families—, —managed to maintain continuity, but they were few. The number who went down to ruin invited a chronicler equal to Dickens."
"During my first year at Harvard, in 1928, I became fascinated with the university's Museum of Comparative Zoology. How exciting for a mere freshman to meet and talk to such famous ornithologists as . ... In succeeding years Griscom, aided by , who was just bringing out his first bird guide, became the great figure who built up the type of —pretty much limited to finding rarities, listing species seen, and census taking—that has now become a national pastime. I remember arguments about this new approach to birding back then. The clincher for the Grissom-Peterson type of birding was that it was competitive. ... By the time I was a junior at Harvard I found my interest in this type of birding wearing thin."
"Americans need to wake up to the fact that right-wing Republicans don't believe in democracy and never have. They have always admired military dictatorships and seem to be working hard to set up the equivalent here in the United States. Their goal is to create an authoritarian government, with control of the media and the judiciary; to weaken all restraints on executive power and eliminate democratic freedoms; to undermine the public education system through fiscal starvation and rote learning, so that the poor will learn only enough to follow orders; and to create the kind of economic inequality so many Third World countries enjoy--by filling the pockets of a tiny group of extremely rich individuals and impoverishing the rest, thereby providing a mass of cheap labor."
"By the middle of the twentieth century, the world had accepted Herman Melville's Moby-Dick, published in 1851, as an indubitable masterpiece of the nineteenth, even though that world became aware of it only a generation ago."
"deserves credit for his courageous advocacy of the of Ohio, probably more than for his contributions to literature: his trade monthly, published from 1854 t0 1861, Cozzens' Wine Press, is a neglected classic which provides a charming insight into the amenities of the table in a society which devoted considerable care to that department."
"Perry Miller died fifty years ago today at age fifty-eight. After his death, letters of appreciation from friends and former students flooded the desk where Elizabeth Miller was working to complete her husband’s The Life of the Mind in America: From the Revolution to the Civil War. In their letters, students expressed gratitude, friends offered Elizabeth their support, and Arthur M. Schlesinger, Jr. confessed that Miller’s death, coming on the heels of , had left him in a deep depression. “Perry, as you well know,” wrote Schlesinger, “was one of the first influences in my life.” “He was a superb teacher,” Schlesinger recalled. U.S. Supreme Court Justice Felix Frankfurter, a frequent correspondent of Miller’s and a careful reader of all Miller’s books, published an obituary for his friend in the '."
"Colleges must use radical imagination to ensure the positive disruptive change needed to survive and thrive."
"Ask for help, be patient with yourself, have grace, be kind to everyone, learn how to disagree without being disagreeable, and I would be remiss if I didn’t talk about self-care. Every time I give advice, I never miss the opportunity to talk about the importance of self-care. As leaders, we have to do better jobs of creating self-care cultures, where people understand that burnout should not be the badge of honor that we seek. There are going to be times in life when you’re going to fail, and you have to use those failures as stepping stones to success and stepping stones to growth]"
"Ricky is technically brilliant"
"Our goal is finding ways to harmonize human agency and creativity with AI-enabled structural support, That involves incorporating AI tools into the writing process without inhibiting people’s agency. It’s not about using the chatbot to write essays. It’s about using this technology to deepen your knowledge and sharpen your creativity and critical thinking skills."
"Anyone, regardless of their knowledge of AI, can visit the website, ask a question, and have a conversation with the founder of the philosophy of information, I think that’s remarkable."
"The idea was to democratize access to Professor Floridi’s work, “The issues he has written about touch everyone’s lives, and more and more people are becoming aware of AI. LuFlot provides an AI-driven platform for much broader engagement with the ethical questions surrounding this transformative technology."
"We all learned in high school biology that frog DNA encodes frogs and human DNA encodes humans. It seems that’s not the case, Whatever genes are doing, it’s more complicated than that."
"In xenobots, the shape … dictates what a xenobot is going to do. It dictates whether it’s going to replicate, how it replicates [and] what it’s going to look like."
"We sliced the robot almost in half and it stitches itself back up and keeps going,And this is something you can't do with typical machines."
"There's all of this innate creativity in life,We want to understand that more deeply—and how we can direct and push it toward new forms."
"These xenobots are fully biodegradable,when they're done with their job after seven days, they're just dead skin cells."
"The downside of living tissue is that it's weak and it degrades. That's why we use steel. But organisms have 4.5 billion years of practice at regenerating themselves and going on for decades. And when they stop working—death—they usually fall apart harmlessly."
"These are novel living machines,They're neither a traditional robot nor a known species of animal. It's a new class of artifact: a living, programmable organism."
"The thing that stands out in my mind is the professor showing us pictures of various shapes such as triangles and squares, pointing out how easy it was for us to distinguish them, but then asserting that nobody knew how to write a computer program to do so (to date myself, this must have been the mid ’80s). I had already started programming computers, but this got me interested in the concept of modeling intelligence with computers."
"Reinforcement learning has been a relatively “niche” area of AI since I became interested in it my first year of graduate school. But with recent advances, I became convinced that now was the time to move to the next level and work on problems that are only possible to attack in a commercial setting."
"Scheme programming language demonstrates that a very small number of rules for forming expressions, with few restrictions on how they are composed, suffice to form a practical and efficient programming language that is flexible enough to support most of the major programming paradigms in use today."
"Programming languages should be designed not by piling feature on top of feature, but by removing the weaknesses and restrictions that make additional features appear necessary."
"One point I considered was how much I make from each sale. Even though I drastically cut the list price, I actually make more per book than I did when the book was sold through the publisher. I did a lot of research into which self-publishing house to use to find one where the royalty model fit my sales model."