Evolution, it seems, sometimes jumps instead of crawls. A research team led by a University of Chicago scientist has discovered two key mutations that sparked a hormonal revolution 500 million years ago.
Evolution
Jun 24, 2013
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0
In many animals, including ants, the blood-brain barrier (BBB) ensures normal brain function by controlling the movement of various substances in and out of the brain. Researchers reporting in the journal Cell on September ...
Plants & Animals
Sep 7, 2023
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13
Red-bellied lemurs are one of only a handful of mammal species in which the males are active participants in caring for their young. New University of Arizona-led research suggests that expectant lemur dads may experience ...
Plants & Animals
Feb 22, 2023
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17
Free-living great tits differ considerably in the level of stress hormones in their blood. A research project at the Max Planck Institute for Biological Intelligence studied the birds over several years. The scientists observed ...
Ecology
Nov 9, 2022
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12
To avoid salt in soil, plants can change their root direction and grow away from saline areas. University of Copenhagen researchers helped find out what makes this possible. The discovery changes our understanding of how ...
Plants & Animals
Nov 2, 2022
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22
A new analysis of old data suggests that the endangered erect-crested penguin's bizarre nesting habits—rejecting the first egg they lay—is because they can't feed two chicks, and the second, larger egg has a better chance ...
Plants & Animals
Oct 12, 2022
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248
New work led by Carnegie's Zhiyong Wang untangles a complex cellular signaling process that underpins plants' ability to balance expending energy on growth and defending themselves from pathogens. These findings, published ...
Plants & Animals
Jun 14, 2022
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66
Scientists have discovered how a biological switch helps animals make the seasonal changes crucial for survival, such as growing a warm winter coat and adjusting body temperatures.
Plants & Animals
Aug 27, 2020
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90
Hormonal changes caused by motorboat noise cause clownfish to hide, skip meals and attack their neighbours—putting damselfish in distress.
Ecology
Apr 9, 2020
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159
New insight on how a butterfly species developed the ability to adjust its wing eyespot size in response to temperature has been published today in eLife.
Plants & Animals
Feb 11, 2020
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