Peru says 5,000 birds, nearly 900 dolphins dead

The Peruvian government said Wednesday that 5,000 birds, mostly pelicans, and nearly 900 dolphins have died off the country's northern coast, possibly due to rising temperatures in Pacific waters.

Trojan horse bacteria use nanobodies to conquer sleeping sickness

Sleeping sickness, caused by the trypanosome Trypanosoma brucei, is transmitted to humans (and animals) via the bite of the tsetse fly. New research published in BioMed Central's open access journal Microbial Cell Factories ...

The best medicine for productivity

A worker experiencing the stress of intense workdays might develop somatic symptoms, such as stomach ache or headache, which will eventually lead to taking leave of absence. But when the individual's supervisor offers emotional ...

Weightless US teachers eye giant science leap

"Excited," "nervous," "terrified" -- just three emotions described by a group of US teachers about to take a dizzying "weightless" flight all for the cause of science, naturally.

Endeavour astronauts wrap up third spacewalk

Two US astronauts wrapped up their third spacewalk outside the International Space Station on Wednesday after some doing maintenance work on the Russian side of the orbiting lab, NASA said.

NASA astronauts test new exercises on space walk

Two astronauts floated out of the International Space Station on Wednesday after trying out new exercises aimed at preventing decompression sickness while conserving oxygen, NASA said.

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