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Within a given tissue or organ, cells may appear very similar or even identical. But at the molecular level, these cells can have small differences that lead to wide variations in their functions.
When it comes to climate, plants and animals aren't so different（图）
climate plants animals different
2020/3/27
Despite fundamental differences in their biology, plants and animals are surprisingly similar in how they have evolved in response to climate, according to a new National Science Foundation-funde...
Where'd you get those genes? Individual growth can vary wildly when populations interbreed（图）
genes Individual growth vary wildly populations interbreed
2020/3/20
Scientists at Scripps Institution of Oceanography at the University of California San Diego have discovered why some hybrids between populations of the same species don't develop as well as others. Th...
Parasitic worms have armies, produce more soldiers when needed（图）
Parasitic worms armies soldiers needed
2020/3/6
In estuaries around the world, tiny trematode worms take over the bodies of aquatic snails. These parasitic flatworms invade the snails’ bodies and use them to support the worm colony, sometimes for m...
Lemurs rely on scent when it comes to finding a mate（图）
Lemurs rely on scent finding a mate
2019/10/28
A study of lemur scents funded by the National Science Foundation and conducted by researchers at Duke University finds that an individual's distinctive body odor reflects genetic differences in its i...
When Physics Gives Evolution a Leg Up by Breaking One
Physics Evolution a Leg Up Breaking One
2017/12/18
Genetic mutation may drive evolution, but not all by itself. Physics can be a powerful co-pilot, sometimes even setting the course.In a new study, physicists and evolutionary biologists at the Georgia...
Some Plants Grow Bigger–And Meaner–When Clipped,Study Finds（图）
Some Plants Grow Bigger Meaner Clipped
2017/10/25
Some plants behave like the mythical monster Hydra: Cut off their heads and they grow back, bigger and better than before. A new study finds that these “overcompensators,” as they are called, also aug...
Skin-ditching gecko inexplicably leaves body armor behind when threatened（图）
Skin-ditching gecko body armor threatened
2017/9/4
When trouble looms, the fish-scale geckos of Madagascar resort to what might seem like an extreme form of self-defense — tearing out of their own skin.
Their unusually large, overlapping scales flake...
Mountain lions fear humans,fleeing when they hear our voices,new study reveals
Mountain lions fear humans they hear our voices
2017/7/24
"Fraidy cat" isn't the way most people think of mountain lions, but when it comes to encounters with humans, perhaps they should.New research into the behavior of these big cats indicates that they do...
Some people travel to northern California for wine. However, Maren Friesen, Michigan State University plant biologist, treks to the Golden State for clover.
The lessons of plant diversity and competi...
Naked mole-rats turn into plants when oxygen is low
Naked mole-rats turn into plants oxygen is low
2017/4/27
Deprived of oxygen, naked mole-rats can survive by metabolizing fructose just as plants do, researchers report this week in the journal Science.
Understanding how the animals do this could lead to tr...
When proteins court each other,the dance moves matter
proteins court each other dance moves
2017/3/30
At every moment inside the human body, a carefully choreographed dance is being performed.Proteins shake their bodies and wave their limbs, all with the goal of optimizing their interaction with other...
Fly-over states matter when understanding–and saving-migratory birds
Fly-over states matter saving-migratory birds
2017/3/30
Around the world, thousands of migratory animals travel hundreds or even thousands of miles each year. The journey of migratory animals is more important than their destination. Scientists use the end...
Event-rate and delta inflation when evaluating mortality as a primary outcome from randomized controlled trials of nutritional interventions during critical illness: a systematic review
critical illness delta inflation enteral nutrition parenteral nutrition clinical trial mortality nutrition therapy
2018/11/29
Background: There is a lack of high-quality evidence that proves that nutritional interventions during critical illness reduce mortality.
Seeking Zika:Where and when will Zika-carrying mosquitoes strike next?
Zika-carrying mosquitoes strike
2016/2/23
Zika: The virus has emerged as a major public health threat that's rapidly spreading through South and Central America and the Caribbean.
Usually a relatively mild illness, Zika may be linked with bi...