A car drives along an empty stretch of highway late one night in the mountains of New Hampshire, USA. Out of nowhere, a bright light appears. Could it be a falling star? It is September 19, 1961, and Betty and Barney Hill are on their way home from vacation in Montréal, Canada. Strangely, the bright light seems to follow them. Then the car starts to vibrate and the Hills hear strange buzzing and beeping sounds. A feeling of drowsiness washes over them.
On a winter morning in New York City in 2017, workers tossed a duct- taped box into a garbage truck. When the truck crushed the box, it exploded. The quick-thinking workers stopped the compactor, retrieved the burning box, and tossed it in a puddle, putting out the fire.
废旧电器的归宿废旧电器的归宿——我们该如何处理那些“危险”的电子垃圾？废旧电器的归宿 Continue reading »
King Tutankhamun only ruled ancient Egypt for a few short years before dying as a teenager. His mummy was discovered in a tomb filled with gold and jewels. But what killed him? He had been sickly throughout his whole life and had a broken leg when he died. But scientists found traces of a terrible disease that likely ended his life. That disease is called malaria.
“Invasion, invasion!” A chemical siren blares. We Scouts all sense its urgency. An enemy has breached the gates and launched an attack on our vast world of InMi.
科幻小说:InMi 世界的入侵者 Continue reading »
Welcome to the Regeneron International Science and Engineering Fair (ISEF), the world’s largest science competition for high school students. Out of the tens of millions of students who enter science fairs around the world each year, just 1,800 qualify to participate in this one.
How to stand out in a science competition Continue reading »
Zip! Zing! Right now, teeny tiny paricles are pelting your body. Every second, one hundred trillion of them zoom through you. But they don’t hur. In fact, they usually don’t disturb even a single atom or molecule on the way through. These paricles can pass through all of planet Earh without hitting anything!
Catching Ghost Particles: The Story of Neutrinos Continue reading »
What would you think if you sailed into a vast area of ocean that glowed in the dark with pale white light? One sea captain, Raphael Semmes, was traveling along the Horn of Africa in 1864 when he encountered this phenomenon. “We suddenly passed from the deep blue water in which we had been sailing, into a patch of water so white that it startled me,” he wrote.
Watching the Earth: How Do Scientists Gather Information About Our Planet? Continue reading »
As a teenager, Hugh Herr got lost during a blizzard on a mountain. He surived the ordeal but was gravely injured. “Both of my legs were amputated just below the knee due to tissue damage from frostbite,” he explained in a 2020 talk. As he adjusted to his new body, he said, “I began to imagine a world with such advanced technology that disability is no more.”
Rebuilding the Body: The Future of Brain-Controlled Prosthetics Continue reading »
