6,752 results
- Health & Medicine
Bird flu can jump to mammals. Should we worry?
Reports of bears and sea lions infected with H5N1 have sparked fears about the pandemic potential of bird flu. Experts are keeping a close eye on its spread.
- Life
Comb jellies have a bizarre nervous system unlike any other animal
A 3-D map of the comb jelly “nerve net” reveals fused neurons that lack the space, or synapses, most neurons use to communicate. Did it evolve independently?
- Archaeology
Ancient Maya power brokers lived in neighborhoods, not just palaces
Lidar discoveries and recent excavations are forcing archaeologists to rethink ancient Maya political structures.
- Archaeology
Ancient human DNA was extracted from a 20,000-year-old deer tooth pendant
Insights into Stone Age people’s lives may soon come from a new, nondestructive DNA extraction method.
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Good with tools? You may be a cockatoo
Editor in chief Nancy Shute talks about smart animals, from tool-using cockatoos to "self-aware" fish.
- Climate
Thawing permafrost may unleash industrial pollution across the Arctic
As the frozen ground warms due to climate change, industrial pollutants could flow free from thousands of sites across the Arctic.
- Animals
Invasive yellow crazy ants create male ‘chimeras’ to reproduce
Yellow crazy ants are first known species where chimerism is required in males: Each of their cells holds DNA from just one of two genetic lineages.
- Humans
This ancient Canaanite comb is engraved with a plea against lice
The Canaanite comb bears the earliest known instance of a complete sentence written in a phonetic alphabet, researchers say.
- Physics
Superconductor research surges forward despite controversy over stunning claims
After retractions from Ranga Dias’ group, high-pressure physicists are feeling the squeeze, fearing the controversy will tarnish other research.
- Microbes
Watch: Recent microbial discoveries are changing our view of life on Earth
Videos capture the strange movements and predatory styles of protists — among the closest microbial cousins to multicellular life.
- Anthropology
Homo naledi may have dug cave graves and carved marks into cave walls
Proposed discoveries of humanlike activities by these ancient, small-brained hominids have elicited skepticism from some researchers.
- Math
Here’s a peek into the mathematics of black holes
The universe tells us slowly rotating black holes are stable. A nearly 1,000-page proof confirms it.
