Scientists reconstruct the genome of medieval strains of the pathogen responsible for leprosy
Why was there a sudden drop in the incidence of leprosy at the end of the Middle Ages? To answer this question, biologists and archeologists reconstructed the genomes of medieval strains of the pathogen responsible ...
Jun 13, 2013
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Pesticides harm more than bees, says biologist's study
Scientists date prehistoric bacterial invasion still present in today's cells
Long before plants and animals inhabited the earth, when life consisted of single-celled organisms afloat in a planet-wide sea, bacteria invaded these organisms and took up permanent residence. One bacterium ...
13 hours ago
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Teaching complete evolutionary stories increases learning
When it comes to mammals, how big is too big?
(Phys.org) —Mammals vary enormously in size, from weighing less than a penny to measuring more than three school buses in length. Some groups of mammals have become very large, such as elephants and whales, ...
Jun 14, 2013
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Cool muscles: Storing elastic energy for flight
(Phys.org) —Flying has always fascinated humans, probably because we are so relentlessly Earthbound. One of the things that interests researchers who study flight is the question of how animals that do ...
Jun 13, 2013
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Research finds how diving mammals evolved underwater endurance
Scientists at the University of Liverpool have shed new light on how diving mammals, such as the sperm whale, have evolved to survive for long periods underwater without breathing.
Jun 13, 2013
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Study assesses impact of US Supreme Court decision on gene patents: Finds about 8,000 US patents likely affected
(Phys.org) —The U.S. Supreme Court unanimously ruled today that genes cannot be patented. A recent CSU-led study sheds light on the impacts of the case. ...
Jun 14, 2013
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Researchers unearth bioenergy potential in leaf-cutter ant communities
As spring warms up Wisconsin, humans aren't the only ones tending their gardens. At the University of Wisconsin–Madison Department of Bacteriology, colonies of leaf-cutter ants cultivate thriving communities ...
Jun 14, 2013
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A feline fungus joins the new species list
(Phys.org) —A new species of fungus that causes life-threatening infections in humans and cats has been discovered by a University of Sydney researcher.
Jun 18, 2013
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Study reveals strategy behind spiders' web etiquette
(Phys.org) —A species of spider that, unusually, lives in a colony but hunts alone at night is the subject of a new study by an international team of scientists including University of Sussex biologists.
Jun 18, 2013
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Przewalski's horses roaming China's plains again
In the harsh desert steppe of far northwestern China five prehistoric-looking Przewalski's horses, once classed as extinct in the wild, emerge from the endless plains.
Jun 14, 2013
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Outlook is grim for mammals and birds as human population grows, study says
How fish won the oxygen war
(Phys.org) —A missing link in the story of how the fishes triumphed over toxic oceans and past climate changes has been revealed by an international team of scientists.
Jun 17, 2013
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