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Magazine
In the Sept. 30 SN: Smog's health woes, secrets of the bat brain, slug slime inspires surgical glue, wild beer, Neandertal tar recipes, the sun's recent flare-ups and more.
- News
Famous Martian meteorite younger than thought
The famous fragment of Mars, once proposed to hold signs of extraterrestrial life, is still pretty old. But the rock appears to have formed about 400 million years later than earlier analyses indicated. - News
Embryo transfer technique could prevent maternally inherited diseases
A new technique transplants healthy nuclear DNA of cells carrying mutated mitochondria. - News
Physicists untangle the geometry of rope
Equations explain why winding fibers together does the job, no matter what they’re made of. - News
Backward planets may have flipped into place
Reversed orbits among ‘hot Jupiters’ decreases chance of Earthlike neighbors. - News
Mapping the fruit fly brain
A new digital atlas could reveal how 100,000 neurons work together. - News
Colliding dust grains charge each other up
Physicists propose a way that cloud particles can electrify themselves. - News
Briny deep basin may be home to animals thriving without oxygen
Creatures living deep in the Mediterranean without oxygen would be a remarkable first, biologists say. - News
Newfound neighbor to solar system is a cool slacker
Researchers have found the closest brown dwarf to Earth and the coolest yet seen, raising the possibility that the nearest starlike body to the solar system may be a brown dwarf rather than a star. - News
Fruit flies turn on autopilot
High-speed video reveals the aerodynamics behind the insects’ maneuverability. - News
Partial skeletons may represent new hominid
Partial skeletons may represent a new hominid species with implications for Homo origins, one researcher claims. But many of his peers disagree.