Life
- Genetics
Mutations that drive cancer lurk in healthy skin
Healthy tissue carries mutations that drive cancer, samples of normal skin cells show.
- Neuroscience
Brain implants let paralyzed man move robotic arm
Implanting tiny silicon chips in the action-planning part of a paralyzed man’s brain let him smoothly control a robotic limb with his thoughts.
- Genetics
Ancient DNA pushes back timing of the origin of dogs
DNA extracted from the fossil of an ancient wolf indicates dogs and wolves diverged longer ago than previously thought.
- Animals
Octopuses can ‘see’ with their skin
Eyes aren’t the only cephalopod body parts with light-catching molecules.
- Animals
Rising temperatures may cause problems for cold-blooded critters
Ectotherms cannot easily handle extreme temperatures, a new study finds.
- Paleontology
Suds versus nanoparticles and more reader feedback
Readers discuss the posture of an ancient reptile and why washing machines and nanoparticles don't mix.
- Animals
Crows safeguard sticks to speed future food-finding forays
New Caledonian crows safeguard the sticks they use to find food. As the risk of losing the tool increases, the more protective the birds become.
- Animals
Pandas’ gut bacteria resemble carnivores’
Unlike other vegetarians, the bamboo eaters lack plant-digesting microbes.
- Animals
Vampire squid take mommy breaks
The vampire squid again defies its sensationalist name with a life in the slow lane.
- Life
Typical American diet can damage immune system
The typical American diet sends our good and bad gut microbes out of balance and can lead to inflammation and a host of problems.
- Life
Male stag beetles face weighty problem for flight
Male stag beetles need enormous mandibles to fend off other males and find a mate, but computer simulations show that the giant jaws make running and flying very difficult.
- Plants
The art and science of the hedgerow
Spiky hawthorn trees have found many uses despite their unforgiving nature, Bill Vaughn writes in ‘Hawthorn.’
