BlogArena

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

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

May 12, 2014
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Study finds turtles are closer kin to birds, crocodiles than to lizards, snakes

What are turtles, and where did they come from? Precise answers to these questions have long eluded scientists. But new research led by Daniel Field of Yale University and the Smithsonian Institution recasts the turtle’s disputed evolutionary history, providing fresh … Continue reading

December 26, 2013
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International Research Team Close Human Evolution Gap with Discovery of 1.4 Million-Year-Old Fossil Human Hand Bone

University of Missouri researcher part of team that found the bone in Kenya COLUMBIA, Mo. – Humans have a distinctive hand anatomy that allows them to make and use tools. Apes and other nonhuman primates do not have these distinctive … Continue reading

December 25, 2013
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Walking the Walk: What Sharks, Honeybees and Humans Have in Common

A research team led by UA anthropologist David Raichlen has found that the Hadza tribe’s movements while foraging can be described by a mathematical pattern called a Lévy walk – a pattern that also is found in the movements of … Continue reading

July 17, 2013
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From flounders to seahorses: Evolutionary success of spiny-rayed fishes detailed

Even as the dinosaurs were becoming extinct 66 million years ago, the ancient ancestor of spiny-rayed fishes flourished, eventually giving rise to tens of thousands of species that can now be found in home aquariums or on dinner plates. Using … Continue reading

May 10, 2013
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How some leaves got fat: It’s the veins

Some plants, such as succulents, have managed to grow very plump leaves. For that to happen, according to a new study in Current Biology, plants had to evolve 3-D arrangements of their leaf veins in order to maintain adequately efficient hydraulics for … Continue reading

May 1, 2013
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Deep in Texas, a plant-eating feathered dinosaur reemerges

A recently identified feathered dinosaur found deep in West Texas reinforces an emerging view that creatures like it were more diverse and widespread in North America than previously thought, according to a new study. The species — a turkey-sized herbivore … Continue reading

March 16, 2013
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Study Shows How One Insect Got Its Wings

COLUMBUS, Ohio – Scientists have delved deeper into the evolutionary history of the fruit fly than ever before to reveal the genetic activity that led to the development of wings – a key to the insect’s ability to survive. The … Continue reading