Physiology
- Animals
Pregnant male pipefish not so great at giving embryos oxygen
During male pregnancy, pipefish embryos can get stunted by low oxygen in dad’s brood pouch.
- Animals
Octopuses can ‘see’ with their skin
Eyes aren’t the only cephalopod body parts with light-catching molecules.
- Animals
Vampire squid take mommy breaks
The vampire squid again defies its sensationalist name with a life in the slow lane.
- Animals
Deepwater dweller is first known warm-hearted fish
The opah, a deep-diving fish, can keep much of its body warmer than its surroundings, making it similar to warm-blooded birds and mammals.
- Life
Bolder snails grow stronger shells
Bold snails have tougher shells than shy snails. Understanding what drives snails to develop such differences is a bit of a challenge.
- Animals
Gazing deeply into your dog’s eyes unleashes chemical attraction
Dogs and people gazing into each other’s eyes give each other a bond-strengthening rush of oxytocin.
- Life
Octopuses move with uncoordinated arms
An octopus crawls unlike any other animal. Mimicking the cephalopod’s control over its movements may lead to more agile robots.
- Life
Researchers pull fingers to solve why knuckles crack
Knuckle cracking is the sound of a bubble forming in a joint, MRI images reveal.
- Life
For healthy eating, timing matters
Limiting eating times improves heart function in fruit flies.
- Life
Chili peppers’ pain-relieving secrets uncovered
Scientists discover how stuff that makes chili peppers hot relieves pain.
- Health & Medicine
For athletes, antioxidant pills may not help performance
Supplements of vitamins C, E and other antioxidants may blunt the positive effects of exercise training.
- Ecosystems
Bluebird moms inadvertently fuel wars between species
Extra hormones delivered to eggs holding sons in tough times end up driving one bluebird species to chase off another
