Brine shrimp (Artemia salina) in a laboratory tank prior to experiments studying the effect of their collective vertical migration.
A field technician excavating the remains of an amputated limb at Manassas National Battlefield Park in October 2015. The discovery of two nearly complete sets of soldiers’ remains, 11 partial limbs and other artifacts appeared to date to the Second Battle of Bull Run, which ended Aug. 30, 1862.
Even though barn owls have simple brains, a new study suggests they can visually process objects in ways similar to that of animals with more sophisticated perception.
“Decoding Watson,” a new film about Dr. James D. Watson, explores the gulf between his scientific brilliance and his views on race.
Transportation Security Administration employees at work. The agency employs thousands of officers who try to spot suspicious passengers.
The ladder-shaped painting on the left in the La Pasiega cave in Spain is older than 64,000 years, scientists have found, and was made by Neanderthals.
A piece of plastic polymer about to be destroyed under ultraviolet light.
An artist’s rendering of an Earthlike exoplanet orbiting another. Scientists haven’t been able to measure an exoplanet’s tilt yet, but some suspect that a planet’s tilt is key to supporting life.
Bill Nye debates Ken Ham.
A Spirit of Charity: Restoring the Bond Between America and Its Public Hospitals. By Mike King. Secant. 352 pages. $26.95.
Not only can a honey bee count, it understands the concept of zero, according to researchers.
NASA’s Galileo spacecraft appears to have flown through a plume erupting from Jupiter’s moon Europa more than 20 years ago.
A lunar eclipse, visible in Sumatra, Indonesia on Saturday, could be seen alongside Mars, which is the closest it's been to Earth in 15 years.
Scientists say a recording of disturbing sounds made by American diplomats in Cuba actually may be of a very loud cricket species.
Jon Pace is the discoverer of the largest known prime number, 23.2 million digits long.
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