Antarctic krill are usually less than 6 cm in length but their size belies the major role they play in sustaining much of the life in the Southern Ocean. They are the primary food source for many species of whales, seals, ...
Earth Sciences
Aug 21, 2013
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With fewer than a dozen flowering plants out of 300,000 species accounting for 80 percent of humanity's caloric intake, people need to tap unused plants to feed the world in the near future, claims Cornell University plant ...
Biotechnology
Jul 5, 2013
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When the woods get crowded, female squirrels improve their offspring's odds of survival by ramping up how fast their offspring grow.
Plants & Animals
Apr 18, 2013
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(Phys.org)—Conventional wisdom holds that genes determine the shape and structure (morphology) of animals, but something else may be at play. A new study shows that a roundworm (P. pacificus) regulates its offspring's morphology ...
Cell & Microbiology
Jan 4, 2013
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A family of nutrient-sensing enzymes, dubbed Rag GTPases, modulates the activity of the mTORC1 protein complex, whose inhibition is essential for autophagy and survival in newborn mammals. One enzyme, RagA, has been found ...
Cell & Microbiology
Dec 23, 2012
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In the bird world, they make endangered condors seem almost commonplace. The unique Great Gray Owls of Yosemite, left to evolve after glacial ice separated them from their plentiful Canadian brethren 30 millennia ago, are ...
Plants & Animals
Oct 22, 2012
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Thanks to studies of a fish that gives birth to live young and is not fished commercially, scientists at UC Santa Barbara have discovered that food availability is a critical limiting factor in the health of fish populations.
Ecology
Sep 27, 2012
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University of California, Riverside biologists working on guppies - small freshwater fish that have been the subject of long-term studies - report that rapid growth responses to increased food availability after a period ...
Plants & Animals
Jul 20, 2010
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Parent size and the conditions in which actively spawning adults lived are the most influential factors affecting growth of Lake Erie walleye, a new study has found.
Plants & Animals
Aug 14, 2024
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Researchers in South Australia are digging deep into history of soil biology in the state to gain a better understanding of how the soil microbiome functions to ensure sustainable broadacre farming into the future.
Cell & Microbiology
Jul 10, 2024
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