Neuroscience
- Chemistry
Today’s pot is more potent, less therapeutic
The medicinal qualities of marijuana may be up in smoke thanks to years of cross-breeding plants for a better buzz.
- Neuroscience
Sniffing out human pheromones
A new review argues that most of the chemicals labeled human pheromones, and the experiments behind them, don’t pass the smell test.
- Neuroscience
Ultrasound attacks Alzheimer’s plaques
A new study offers clues to how ultrasound may work as a treatment for Alzheimer’s disease.
- Neuroscience
Electrical zap of cells shapes growing brains
The electric charge across cell membranes directs many aspects of brain development, and changing it can fix certain brain birth defects.
- Neuroscience
Mapping aggression circuits in the brain
Using optogenetics and other techniques, scientists are tracing connections to and from the brain’s aggression command center.
- Neuroscience
Brain cells predict opponent’s move in game-playing monkeys
Newly discovered brain cells help monkeys predict whether a companion will cooperate.
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- Neuroscience
Bees may merge their flower memories
Bumblebees sometimes prefer fake flowers with the combined patterns and colors of ones seen before, suggesting they merge memories of past experiences.
- Neuroscience
Blame pot munchies on nerve cells that normally nix appetite
Pot munchies demystified: Marijuana hijacks fullness nerve cells, making them send hunger signals instead.
- Neuroscience
Bipolar risk boosted by accumulation of rare versions of genes
A buildup of rare versions of genes that control nerve cell activity contributes to the genetic risk of bipolar disorder.
- Neuroscience
Chronic pain treatments may get boost from high-tech imaging
Advanced imaging may reveal how well chronic pain treatments work.
- Animals
When you’re happy and you show it, dogs know it
A new test using pictures of halves of human faces challenges dogs’ abilities to read people’s emotions.
