8,095 results
- Genetics
Number of species depends how you count them
Genetic evidence alone may overestimate numbers of species, researchers warn.
- Animals
Lionfish invasion comes to the Mediterranean
Scientists had thought that the Mediterranean was too cold for lionfish to permanently settle there. But now they’ve found a population of the fish off Cyprus.
- Animals
Colorful pinwheel puts a new spin on mouse pregnancy
Among the winners of the 2017 Wellcome Image Awards is a rainbow of mouse placentas that shows how a mother’s immune system affects placental development.
- Animals
Genome clues help explain the strange life of seahorses
Researchers have decoded the genetic instruction manual of a seahorse (Hippocampus comes) and found clues to its nearly 104-million-year evolutionary history.
- Animals
That ‘Dory’ for sale may have been poisoned with cyanide
Preliminary results from a new study show that over half of aquarium fish sold in the United States may have been caught with cyanide.
- Humans
How to build a human brain
Organoids, made from human stem cells, are growing into brains and other miniorgans to help researchers study development
- Life
How bearded dragons switch their sex
RNA editing might affect reptile sex determination at temperature extremes.
- Neuroscience
Somewhere in the brain is a storage device for memories
New technology and new ideas spur the hunt for the physical basis of memory.
- Ecosystems
Invasive species, climate change threaten Great Lakes
In The Death and Life of the Great Lakes, a journalist chronicles the lakes’ downward spiral and slow revival.
- Paleontology
Primitive whales had mediocre hearing
Fossils suggest that early whale hearing was run-of-the-mill, along the same line as that of land mammals.
- Oceans
50 years ago, humans could pick the oceans clean
Scientists have long recognized that we might overfish the oceans. Despite quotas, some species are paying the price of human appetite.
- Psychology
A look at Rwanda’s genocide helps explain why ordinary people kill their neighbors
New research on the 1994 Rwanda genocide overturns assumptions about why people participate in genocide. A sense of duty, not blind obedience, drives many perpetrators.
