Scientists studying how early land vertebrates evolved from fishes long thought that the animals developed legs for moving around on land well before their feeding systems and dietary habits changed enough to let them eat ...
Archaeology
May 1, 2013
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(Phys.org)—Latest research shows that the 'paratympanic organ' (PTO) – the innate barometer in the middle ear of birds – evolved from a fish sense organ that detects jaw movement.
Plants & Animals
Sep 5, 2012
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It's well known that Earth's most severe mass extinction occurred about 250 million years ago. What's not well known is the specific time when the extinctions occurred. A team of researchers from North America and China have ...
Earth Sciences
Nov 17, 2011
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Cartoon depictions of the first animals to emerge from the ocean and walk on land often show a simple fish with feet, venturing from water to land. But according to Jennifer Clack, a paleontologist at the University of Cambridge ...
Paleontology & Fossils
Jul 6, 2009
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The ocean, which covers the vast majority of the world's surface, holds many secrets. For more than a year a multinational team has tried to find the missing Malaysia Airlines flight MH370 on the bottom of it – without ...
Engineering
Apr 23, 2015
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Model calculations predict a sea level rise of about one meter by the end of this century and of up to five and a half meters by the year 2500. Until now there are few studies on the potential impacts of a rising sea level ...
Earth Sciences
Apr 9, 2013
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Polydactyly is a hereditary anomaly that is relatively common in both humans and animals. Moles also have additional fingers. In their case, however, the irregularity compared to the five-finger formula of land vertebrates ...
Plants & Animals
Jul 14, 2011
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Because reducing the impacts of feral cats—domestic cats that have returned to the wild—is a priority for conservation efforts across the globe, a research team recently reviewed the animals' diet across Australia and ...
Ecology
Feb 2, 2015
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By expanding the protected area network to 17 percent of land one could triple the present protection levels of terrestrial vertebrates. Globally coordinated protected area network expansion could deliver a result 50 percent ...
Ecology
Nov 18, 2014
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Michelle Lee first set foot in Gabon in 2001: 'I went with just a backpack expecting to stay three weeks, but ended up being the project manager there for six years,' she tells me.
Ecology
Apr 9, 2013
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