When a chemical alarm cue is released into one of two flumes, the normal response for a fish is to swim down the flume without the chemical. But when the water is more acidic, some fish do not behave normally: instead they ...
Ecology
Dec 20, 2017
0
13
Predators use the smell to home in on wounded animals, whereas mammalian prey species avoid the same odour. This suggests that there may be an old, preserved, evolutionarily food and alarm molecule within the blood odour ...
Plants & Animals
Oct 20, 2017
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10
For many, experience with Daphnia, commonly known as water fleas, ends in high school. The organism is often used for science experiments exploring water toxicity, because of its sensitivity to environmental factors. But ...
Biotechnology
May 5, 2017
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191
Living cells respond to biochemical signals by moving toward those at higher concentration, a process carefully mapped out by biologists over the past several decades. But cells also move in response to mechanical forces, ...
Cell & Microbiology
Nov 16, 2016
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11
Mantis shrimp, often brightly colored and fiercely aggressive sea creatures with outsized strength, use the ultraviolet reflectance of their color spots as well as chemical signals to assess the likelihood of victory in combat, ...
Plants & Animals
Aug 3, 2016
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258
How white blood cells in our immune systems home in on and engulf bacterial invaders—like humans following the scent of oven-fresh pizza—has long been a mystery to scientists.
Cell & Microbiology
May 26, 2016
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7
Clownfish became a household name over a decade ago when Disney released the movie "Finding Nemo."
Ecology
May 25, 2016
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17
Similar-smelling chemical cues could explain why some animals choose to live together with other species, according to new research from scientists at the University of Lincoln, UK.
Plants & Animals
Mar 22, 2016
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20
Many animals change sex at some point in their lives, often after reaching a certain size. Snails called slipper limpets begin life as males, and become female as they grow. A new Smithsonian study shows that when two males ...
Plants & Animals
Dec 23, 2015
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31
In a world first study researchers from Uppsala University, Sweden and James Cook University in Australia and have found that prey fish captured by predators release chemical cues that acts as a 'distress call", dramatically ...
Plants & Animals
Oct 27, 2015
0
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