BlogArena

General blog about anything and everything of everyday's life.

25. Jun 2019

January 30, 2015
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How Beetles Hack Into Ant Colonies

Pretending to be one of them, ant-nest beetles trick ants to rear their brood — and then reward their hosts by devouring them. UA entomologists have discovered that the beetles evolve at an astonishing rate. We’ve all heard the story … Continue reading

December 25, 2012
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Blades and Clades: Why Some Grasses Got Better Photosynthesis

Two groups — clades — of grasses that once had a common ancestry diverged. The PACMAD clade was predisposed to evolve a more efficient “C4” means of photosynthesis than grasses in the BEP clade. In a new study in the … Continue reading

January 24, 2012
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Winged Dinosaur Archaeopteryx Dressed For Flight

*The iconic, winged dinosaur Archaeopteryx was dressed for flight, an international team of researchers led by Brown University has concluded. The group identified the color of the raven-sized creature’s fossilized wing feather, determining it was black. The color and the … Continue reading

December 9, 2011
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Helping Your Fellow Rat: Rodents Show Empathy-Driven Behavior

*Rats free trapped companions, even when given choice of chocolate instead* The first evidence of empathy-driven helping behavior in rodents has been observed in laboratory rats that repeatedly free companions from a restraint, according to a new study by University … Continue reading

July 22, 2011
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Discovery Places Turtles Next to Lizards on Family Tree

Where do turtles belong on the evolutionary tree? For decades, the mystery has proven as tough to crack as the creatures’ shells. With their body armor and retractable heads, turtles are such unique creatures that scientists have found it difficult … Continue reading