September 17, 2016
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Editor in chief Eva Emerson discusses Earth's newest potentially habitable neighbor.
Undiscovered bacteria challenge what scientists know about microbial life.
Farmed salmon, sea bass and other fish frequently escape from sea cages into the ocean. Will these runaways harm native wildlife?
Even birds sing better after vocal warm-up, and an evolutionary arms race among rivals might have led to the intensity of the dawn chorus.
Textbook example of Betty the crow’s proposed insight into toolmaking is now called into question by observations of similar hook bending by wild New Caledonian birds.
A contested study suggests a famous fossil ancestor plunged to her death.
A planet roughly the size of Earth orbits within the habitable zone of Proxima Centauri, the closest star to the sun.
A new way to send secret quantum messages uses shorter keys.
Today’s simple cup-shaped songbird nests look as if they just had to have evolved before roofed nests. But that could be backward.
DNA from Ötzi the Iceman’s clothes and quiver traced to both domesticated and wild animals.
Birds that look as if they’re coping with heat waves and climate change may actually be on a downward slide, with underappreciated disadvantages of panting and seeking shade.
Focusing on antimicrobial resistance in hospitals and farms misses a big and not well understood part of the issue: wildlife.
Tabby’s star, already known for its bizarre flicking and fading, dimmed throughout the four years of Kepler’s primary mission.
Radiocarbon in eye lenses suggests mysterious Greenland sharks might live for almost 400 years.
Plant virus makes hosts more attractive to pollinators, ensuring future virus-susceptible plants.
Brain scan study reveals hodgepodge effects of sleep deprivation.
Debate lingers over when the Isthmus of Panama formed and closed the seaway that separated North and South America millions of years ago.
Study of protein-producing DNA narrows down disease-causing genetic variants.
One fish, two fish: California’s tidewater goby is two species.
Fat-tailed dwarf lemurs’ surprising hibernation-sleep doesn’t show up in ground-hibernating relatives.
A molecular scalpel called CRISPR/Cas9 has made gene editing possible.
Scientists found a way to burn fuel on water that leaves little soot behind.
Reviews & Previews
NOVA’s Black Hole app for iPad is an addictive game that teaches lessons about gravity and astronomy while letting you hurl stars at one another.
Swearing provides unappreciated insights into human thought and language, a cognitive scientist argues in the new book What the F.
Letters to the Editor
Aging research, dino guts and Earth's quasisatellite in reader feedback.
Peacock spiders use pigments and complex nanostructures to achieve bright dance costumes.