“It’s amazing what we let our teachers teach us.”

A Lykoi kitten next to its normal-coated brother, who carries just one version of the Lykoi gene. It’s no accident that Lykois are bred with black cats. “If they have black as their base coats, they really have that werewolf look. Other base coats don’t look quite as striking,” he says. “An orange Lykoi cat […]

Sorry, education reformers, it’s still memorization and repetition we need.

The Licorne (“Unicorn”) thermonuclear test; Fangataufa, French Polynesia; 1970CTBTO After most of the world’s nations signed the Comprehensive Nuclear-Test-Ban Treaty, in 1996,  they set up a new commission to watch out for clandestine explosions. Since then the commission (CTBTO) has wired the world with hundreds of seismometers, infrasound detectors, radionuclide sniffers, and underwater microphones. The […]

The Expose-R module attaches to the ISS and holds samples in the harsh conditions of space.NASA In the 1800s, scientists imagined that life was brought to Earth by a rock that had been knocked off of a distant, life-filled planet. Now, over 100 years later, we are able to test this idea of “panspermia”—by sending […]

The Princeton physicist on what’s wrong with inflation theory and his view of the Big Bang.