Virus, parasite may combine to increase harm to humans

(PhysOrg.com) -- A parasite and a virus may be teaming up in a way that increases the parasite’s ability to harm humans, scientists at the University of Lausanne in Switzerland and Washington University School of Medicine ...

Champion hydrogen-producing microbe

Inside a small cabinet the size of a dorm refrigerator in one of Himadri B. Pakrasi's labs, a blue-green soup percolates in thick glass bottles under the cool light of red, blue and green LEDS.

Modern humans emerged far earlier than previously thought

(PhysOrg.com) -- An international team of researchers based at the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing, including a physical anthropology professor at Washington University in St. Louis, ...

Impact hypothesis loses its sparkle

Shock-synthesized diamonds said to prove a catastrophic impact killed off North American megafauna can't be found.

Ongoing evolution among modern humans

(PhysOrg.com) -- It has long been the common perception that once modern humans appeared more than 50,000 years ago, little has changed in human biology.

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