Archivo: The New York Times
Scientists Found an Animal That Walks on Three Limbs. It’s a Parrot
Lovebirds — and perhaps other species — seem to confound nature’s strong preference for bilateral bodies.
A 2,700-Year-Old Figurine Revives a Weighty Mystery
A bronze statuette recovered from a river in Germany may have been part of an early Scandinavian weight system, some archaeologists believe.
Did the ‘Black Death’ Really Kill Half of Europe? New Research Says No.
Looking at ancient deposits of pollen as markers of agricultural activity, researchers found that the Black Death caused a patchwork of destruction in Europe.
In Dog DNA, Small Size Has an Ancient Pedigree
New research finds a mutation that suggests the more diminutive canines’ DNA dates back to ancient wolves.
Una infección de ómicron, en gráficos
Los científicos han estado trabajando horas extras para estudiar a la variante ómicron. Muchas preguntas siguen sin respuesta, pero esto es lo que han aprendido hasta ahora.
How Do You See Inside a Volcano? Try a Storm of Cosmic Particles.
Muography, a technique used to peer inside nuclear reactors and Egyptian pyramids, could help map the innards of the world’s most hazardous volcanoes.
To Learn Bees’ Secrets, Count Them One by One
The decline of bee populations is a looming crisis, but there is a dearth of scientific data. Hyperlocal researchers, with nets and notebooks, could be key.
Grumpy Dogs Outperform the Friendlies on Some Learning Tests
Dogs that would not be the first choice of many pet owners do better than some of the more agreeable fellows when they have to learn from a stranger.
The Webb Telescope, NASA’s Golden Surfer, Is Almost Ready, Again
After decades of fits and starts, the multibillion dollar successor to the Hubble telescope is expected to launch as soon as this fall.
How an Eight-Sided ‘Egg’ Ended Up in a Robin’s Nest
An experiment by evolutionary biologists offers new insights into birds’ brains.