Fragile Humans Spacewalk To Upgrade Space Station Communications

A pair of tiny, squishy astronauts braved the harsh vacuum of space to rig a new communications system on to the International Space Station. The new system is part of reconfiguring the station in preparation for the arrival of space taxis from the commercial crew program. » 3/03/15 3:01am 51 minutes ago

Bacteria Can Refuel Via Microscopic Tubes When Times Get Tough

Bacteria can share vital nutrients if their bacterial neighbors happen to have a surplus. Scientists have now determined that this sharing is accomplished not through diffusion of those nutrients into the surrounding environment, but rather via nanotubes that physically link the insides of two bacterial cells together. » 3/02/15 4:30pm Yesterday 4:30pm

The Greatest Science Fiction Inventions That We Hope Never Become Real

Science fiction is filled with both incredible inventions that became reality and incredible inventions that we hope will become reality at some point in the future. But, then, there is also a third category of inventions that, while amazing, have some unexpectedly troubling implications. » 3/02/15 4:20pm Yesterday 4:20pm

The 19th-Century Artist Who Sketched Fossils In Their Death Poses

When scientists and technicians from the Royal Belgian Institute of Natural Sciences were excavating Iguanodon and crocodile skeletons in Bernissart, artist Gustave Lavalette was commissioned to sketch the skeletons before they were removed from the ground. » 3/02/15 4:00pm Yesterday 4:00pm

Cars From Another Universe: Bizarre Motor Vehicles That Never Caught On

When it comes to motor vehicles, history is filled with curious also-rans. If the inventors of these contraptions had had their ways, our streets might be filled with single-wheeled cars, gas-fueled chariots, and armor-plated snowmobiles. » 3/02/15 3:00pm Yesterday 3:00pm

Researchers Just Filled A Major Gap In HIV's Evolutionary History

Researchers know that HIV jumped from apes and monkeys to humans on multiple occasions, in the form of HIV-like viruses called simian immunodeficiency viruses (SIV). To date, 11 out of 13 of these cross-species transmissions have been accounted for. On Monday, researchers identified the final two. » 3/02/15 2:35pm Yesterday 2:35pm