Jody Witt

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Hairy Daisy Discovered

Researchers on an expedition in the Venezuelan Andes found a new species of daisy. Coated in hairs that provide Dr. Seuss-esque insulation, the <i>Coespeletia palustris</i> grows at an altitude of 12,450 feet.<p>"Hairs cover the entire plant, as in most of the species of the subtribe Espeletiinae," says …


Tongue-controlled wheelchair could offer a faster way for quadriplegics to get around

Researchers are developing a method for quadriplegics to control wheelchairs and mouse cursors using only the movement of their tongue, and it's turning out to be far more effective than one of the most popular current control schemes. Researchers from Georgia Tech have been working on a …

Tongue piercing lets you steer a wheelchair

How Scientists Could Watch Brain Chemicals Through The Skull

One team is trying to develop a non-invasive way of tracking neurotransmitters as they move through a living brain.<p>Researchers have discovered a way to see chemicals at work behind bone. In the future, they hope to develop their technique as a way of watching chemical messages as they blip through …


Sleep disorder makes people act out their dreams

Experience Comet ISON’s encounter with the sun online

ISON’s moment of truth is here – its closest approach to the sun – today. Here are some ways to experience it online.<p>Comet ISON has traveled for at …

Brain Cells 'Geotag' Memories To Cache What Happened — And Where

Think back to an important event in your life: a graduation, a birth, a special Thanksgiving dinner. Chances are you're remembering not only what happened, but also where it happened. And now scientists think they know why.<p>As we form so-called episodic memories, the brain appears to be using …

This is NOT What Evolution Looks Like