Biology news

New thesis maps the origin of colour vision

Roughly 500 million years ago, the genome of vertebrate animals' early ancestors doubled in size, not just once but twice. This meant that suddenly there were several gene copies which were free to develop new functions. ...

dateMar 26, 2015 in Biotechnology
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Just right: A spider's tale

In the Story of Goldilocks and the Three Bears, the little girl tries out the bears' large, medium, and small chairs to find the one that fits her best. When she does, she exclaims, "This chair is just right!"

dateMar 25, 2015 in Plants & Animals
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Food-delivery process inside seeds revealed

Inside every seed is the embryo of a plant, and in most cases also a storage of food needed to power initial growth of the young seedling. A seed consists mainly of carbohydrates and these have to be is transported ...

dateMar 20, 2015 in Biotechnology
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Mercury pollution danger for arctic ivory gulls

A paper in Proceedings of the Royal Society B today says that mercury levels in arctic ivory gulls have risen almost 50 fold over the last 130 years. Scientists think this increase in mercury pollutants could ...

dateMar 20, 2015 in Ecology
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