Marco Alcivar

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Alien frontier: see the haunting, beautiful weirdness of Mars

In Life, Man Immune To HIV Helped Scientists Fight Virus

Stephen Crohn, a man best known for staying alive during the early days of the AIDS epidemic, died Aug. 23 at age 66. Throughout his lifetime, the New York artist helped researchers uncover vital clues about HIV and how to stop it.<p>Crohn's partner was one of the first people to die from AIDS in …

Changing brains: why neuroscience is ending the Prozac era

The big money has moved from developing psychiatric drugs to manipulating our brain networks<p>The psychiatric drug age may have reached its peak. Although mind-altering medications are being prescribed in record numbers, signs of a radically new approach to understanding and treating mental illness …

The Week In Numbers: Sad News For Life On Mars, Earth's Smallest Car, And More

<b>1.3 parts per billion</b>: the maximum concentration of methane in the Martian atmosphere, according to a new analysis from the rover Curiosity (sadly, this means the red planet is probably not home to living organisms)<p><b>260 million</b>: the number of surfaces in this astounding room designed by computer …

Stephen Hawking: brain could exist outside body

Stephen Hawking has said he believes brains could exist independently of the body, but that the idea of a conventional afterlife is a fairy tale.<p>Speaking at the premiere of a documentary film about his life, the theoretical physicist said: "I think the brain is like a program in the mind, which is …

10 Credible Mermaid Sightings? (+Videos)

Mermaids have been a subject of fascination for centuries. Cultures from all over the world, that had no contact with each other, have mermaids in …

Scientists Estimate How Much Longer The Earth Can Support Life

The end of the world is near! Well, relatively near, geologically speaking. Okay, even geologically speaking, it’s pretty far off.<p>But scientists at the University of East Anglia have made their best estimate for how much longer the Earth will be habitable for human life, barring nuclear war, rogue …

The First Computer With Leap Motion Gesture Control Built Right In

Leap Motion, the Kinect-like gesture control system we profiled here, is super exciting; it measures gestures to the hundredth of a millimeter, and works on any computer. They're working their way up to shipping the device as an accessory, but they've also partnered with HP for something a little …