News tagged with human cells

A gene for brain size only found in humans

About 99 percent of human genes are shared with chimpanzees. Only the small remainder sets us apart. However, we have one important difference: The brain of humans is three times as big as the chimpanzee ...

Feb 27, 2015
popularity 4.6 / 5 (14) | comments 12

Mystery of the reverse-wired eyeball solved

From a practical standpoint, the wiring of the human eye - a product of our evolutionary baggage - doesn't make a lot of sense. In vertebrates, photoreceptors are located behind the neurons in the back of the eye - resulting ...

Feb 27, 2015
popularity 4.8 / 5 (13) | comments 3

What autism can teach us about brain cancer

Applying lessons learned from autism to brain cancer, researchers at The Johns Hopkins University have discovered why elevated levels of the protein NHE9 add to the lethality of the most common and aggressive ...

Feb 09, 2015
popularity 5 / 5 (5) | comments 10

Scientists discover an on/off switch for aging cells

(Medical Xpress)—Scientists at the Salk Institute have discovered an on-and-off "switch" in cells that may hold the key to healthy aging. This switch points to a way to encourage healthy cells to keep dividing ...

Sep 20, 2014
popularity 3.4 / 5 (93) | comments 5

Researchers find genetic cues for a big heart

Bigger isn't always better, even when it comes to the body's most vital organs. An enlarged or thickened cardiac muscle can actually force the heart to work harder to pump blood throughout the body, weakening ...

Feb 03, 2015
popularity 5 / 5 (3) | comments 0