Why is caring for young shared unequally between the sexes in so many animal species? Research from the University of Bristol, UK suggests that small initial differences which predispose one sex to care more are exaggerated ...
Evolution
Feb 17, 2015
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As predators go, cone snails are slow-moving and lack the typical fighting parts. They've made up for it by producing a vast array of fast-acting toxins that target the nervous systems of prey. A new study reveals that some ...
Plants & Animals
Jan 19, 2015
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957
Technology that can map out the genes at work in a snake or lizard's mouth has, in many cases, changed the way scientists define an animal as venomous. If oral glands show expression of some of the 20 gene families associated ...
Evolution
Dec 8, 2014
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The venom of advanced snakes is a mixture of dozens of different proteins and is an example of an evolutionary innovation – a novel trait that has arisen in a particular animal group and which has contributed to their success. ...
Evolution
Aug 11, 2014
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More than 140 years ago, Charles Darwin noticed something peculiar about domesticated mammals. Compared to their wild ancestors, domestic species are more tame, and they also tend to display a suite of other characteristic ...
Plants & Animals
Jul 14, 2014
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Israeli scientists have developed a novel method for generating single-sex populations of prawns. This could be used to boost the productivity of aquaculture farms and even as a biocontrol measure against invasive species ...
Biotechnology
Jun 30, 2014
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Australia's cuddly koala rarely drinks water and doesn't have any sweat glands, long leaving scientists to wonder how it cools off in a heatwave.
Plants & Animals
Jun 4, 2014
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(Phys.org) —Sometimes we think we know everything about something only to find out we really don't, said a Texas A&M University scientist.
Plants & Animals
May 14, 2014
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Sorry, boys. In the end, mothers favor daughters – at least when it comes to Holstein dairy cows and how much milk they produce for their offspring, according to a new study by Kansas State University and Harvard University ...
Plants & Animals
Jan 27, 2014
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0
(Phys.org) —An international team of scientists led by National Institutes of Health researchers has traced the likely origin of the enzyme needed to manufacture the hormone melatonin to roughly 500 million years ago.
Biotechnology
Dec 27, 2013
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