Neuroscience
- Life
A slow heartbeat in athletes is not so funny
Endurance athletes often experience sinus bradycardia, a slow heartbeat. A new paper shows this effect may be due to changes in the “funny channel” of the sinoatrial node.
- Neuroscience
Playing football linked to brain changes
Division I college football players have smaller hippocampi, especially if they’ve had concussions.
- Neuroscience
To pee or not to pee
Mice recognize others’ scents through proteins in urine, suggesting that mouse pheromones produce more complex behaviors than previously thought.
- Neuroscience
Birth of new brain cells might erase babies’ memories
The growth of new neurons in early childhood may explain why adults can’t remember being infants.
- Psychology
Why every face you draw looks a little Neandertal
Just about everyone draws faces with the eyes too high and a low Neandertal forehead, maybe because of the way we perceive the shape of the head.
- Neuroscience
Young blood proven good for old brain
Blood — or one of its protein components — restores some of youth’s vibrancy to elderly mouse brains.
- Neuroscience
You smell, and mice can tell
A new study shows that the smell of a man causes stress in lab mice. The findings show scientists have yet another variable to control: the scientist.
- Neuroscience
Young rats that use their brain keep more cells alive
Learning a task helps just-born cells survive in a learning and memory center of the rat brain.
- Neuroscience
Humans can sniff out gender
A new study adds to controversy of whether people have pheromones.
- Psychology
Leonardo da Vinci may have invented 3-D image with ‘Mona Lisa’
A mysterious copy of the ‘Mona Lisa’ combines with the Louvre painting to make a stereoscopic image of the woman with the enigmatic smile.
- Science & Society
Students retain information better with pens than laptops
Compared with typing on a laptop, writing notes by hand may lead to deeper understanding of lecture material.
- Neuroscience
How brains filter the signal from the noise
Our brains can distinguish a single voice in the middle of a noisy street. A new study in ferrets shows how auditory systems might separate the signal from the noise.
