More From this Issue
Ultrasonic chirps help bats recognize others from their social group
Giant birds use their wings as "air rudders"
Study explains why nearly identical air pollutants affect body differently
Beverages leave chemical traces in hair that can track your travels
When male mice cry, they release a pheromone that makes females more sexually receptive
Ancient galactic collision expelled a giant cloud of gas
Thirteen-million-year-old sperm whale had sharp teeth for chomping other whales
The Milky Way could be filled with hundreds of billions of stars so tiny and faint we can't see them in optical light. That's the conclusion of a new study, which has found 14 of the coldest brown dwarfs yet.
Despite 24-hour sunlight, bumblebees take a break rather than continuing to forage
Rare view reveals what powers these cosmic beacons
Sheets of composite material automatically fold into boats, planes, and other shapes
Winds can reach 7000 kilometers per hour on hot Jupiter
Dark skin may have helped preserve a vitamin important for healthy births
Three-dimensional models show that humans have a highly efficient bite compared to most other primates
DNA sequence uncovers potential targets for pesticides and repellents
Model simulates the formation of ship killers
Discovery challenges current models of solar system formation
Violent journey creates a beautiful ultraviolet display
Object that struck planet 2 weeks ago vaporized instead of exploding
Iron-rich waste helps marine organisms suck carbon from the atmosphere
Humans can gauge a man's strength from the way he talks
Piglets are more likely to try new foods when their mothers are present
Study explains curious hole-punch pattern in clouds near airports
New research reveals how nanostructures create the vivid colors seen in butterfly wings
Hayabusa spacecraft may have returned the first samples from an asteroid
Soaring cost estimates are jeopardizing the U.S. contribution to ITER, the massive international fusion energy project.
A chimeric mouse with a humanized liver offers a novel window into drug toxicity.
The latest Intergovernmental Panel on Climate Change report, on mitigating emissions, finds a few glimmers of hope amid gloomy projections.
Researchers have harnessed the chemical degradation of fossil DNA to determine methylation patterns that may reveal which genes were turned on, or off, in ancient human species.
A new find from NASA's Kepler orbiting observatory is the first Earth-sized planet to be detected in the habitable zone of a star.
Jennifer Francis has made waves linking the melting Arctic to extreme weather around the world. But a storm of criticism has forced the climate scientist to defend her hypothesis.
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