Neuroscience

Genetics

Scientists get a glimpse of chemical tagging in live brains

For the first time scientists can see where molecular tags known as epigenetic marks are placed in the brain.

Animals

Betty the crow may not have invented her hook-bending tool trick

Textbook example of Betty the crow’s proposed insight into toolmaking is now called into question by observations of similar hook bending by wild New Caledonian birds.

Neuroscience

Aging-related protein may play role in depression

Mouse study reveals link between aging protein and depression.

Neuroscience

‘Neural dust’ can listen to body’s electrical signals

Tiny crystals can detect electrical signals in nerves and muscles of rats.

Genetics

Rats offer clues to biology of alcoholism

Heavy-drinking rats are giving scientists new genetic clues to alcoholism.

Neuroscience

Red blood cells sense low oxygen in the brain

Red blood cells sense low oxygen and speed to the scene, a new study suggests.

Neuroscience

Running doesn’t make rats forgetful

Running doesn’t seem to wipe out old memories in rats, concludes a new study that contradicts earlier reports suggesting that exercise does actually help old memories fade and new memories form — in other rodents.

Neuroscience

Gift-giving brain cells are lifeline to injured nerve cells

After an injury, astrocytes give nerve cells a gift of mitochondria, mouse study suggests.

Neuroscience

Antibiotics might fight Alzheimer’s plaques

A new study found that antibiotics hit Alzheimer’s plaques in the brains of mice.

Neuroscience

New brain map most detailed yet

By combining different types of data, researchers have drawn a new detailed map of the human brain.

Health & Medicine

Still mysterious, aging may prove malleable

Our editor in chief discusses the science of aging.

Neuroscience

The brain’s blueprint for aging is set early in life

The brain's decline may mirror its beginning, offering clues to aging.