July 23, 2016
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Our editor in chief discusses the science of aging.
There is great variety in how animals and plants deteriorate (or don’t) over time.
The brain's decline may mirror its beginning, offering clues to aging.
Despite disagreements about what aging is and isn't, scientists have reached a radical consensus: It can be delayed.
Outbreak of Elizabethkingia continues to grow as disease investigators struggle to find source.
Lots of unknowns remain as researchers try to pin down where a possible ninth planet might be hiding in the solar system.
Tiny slimed tunnels in the guts of a 77-million-year-old duck-billed dinosaur fossil offer the first hard evidence that dinosaurs may have been infected by parasitic worms, paleontologists say.
Birds’ internal compasses may rely on the delicate nature of the quantum world.
Mothers aren’t their children’s only source of bacteria that cause dental cavities, new research shows.
Hair, scales and feathers arose from same ancestral appendage.
Scientists have identified a protein that chops up the mitochondrial DNA in a dad’s sperm after it fertilizes an egg. The finding helps explain why mitochondrial DNA is usually passed on only by mothers.
To look for evolution in human-scale time, pick a city and watch a lizard. Or some clover.
Ecosystem-supporting hydrothermal vents are much more abundant along the ocean floor than previously thought.
Laser survey unveils the extent, and the mystery, of Southeast Asia’s Khmer Empire
Habitual users tend to get stuck in nondrug-related habits more easily, too, pointing to a potential strategy for treatment
NASA’s Juno spacecraft successfully entered orbit around Jupiter, beginning a 20-month investigation of the giant planet’s interior.
The September extent of the Antarctic ozone hole has shrunk by about 4.5 million square kilometers since 2000, thanks in large part to the Montreal Protocol.
A volcanic region of Tanzania contains more than a trillion liters of helium gas, enough to fill 1.2 million medical MRI scanners — or hundreds of billions of balloons, researchers report.
After discovering resistant microbes in pets, scientists worry about the role of companion animals in the spread of resistant urinary infections.
Nerve cells in newborn mice can’t yet feed themselves.
Widespread coral bleaching continues, in the longest episode, over the largest area to date.
Tests of bagged ice found that 19 percent exceeded recommended thresholds for bacterial contamination.
A newly discovered meteorite, nicknamed Öst 65, may have originated from the same collision that formed L chondrites, one of the most abundant groups of meteorites on Earth.
Scientists envisioned artificial hearing 50 years ago. Today, they are working to make it superhuman.
Asteroid 2016 HO3 is a quasisatellite of Earth — orbiting the sun while never wandering far from our planet.
Reviews & Previews
'Koko — The Gorilla Who Talks' documents the nearly 45-year relationship between researcher Penny Patterson and Koko, the subject of an ape sign language project.
In 'Cracking the Aging Code', theoretical biologist Josh Mitteldorf and writer Dorion Sagan take a different approach to the science of growing old.
Letters to the Editor
Animal vision, ice-making microbes, brain maps and more reader feedback.
The animal world can offer insights into human longevity.