Uncategorized
- Earth
Earth’s rivers cover 44 percent more land than we thought
A global survey of rivers and streams based on satellite data suggests that these waterways traverse about 773,000 square kilometers.
- Animals
Why some mammal species don’t have descended testicles, but most do
New research studying genetic vestiges suggests that descended testicles are as ancient as the first placental mammal.
- Quantum Physics
A tiny version of this physics toy is revealing quantum secrets
Scientists created a quantum Newton’s cradle to study thermal equilibrium.
- Tech
50 years ago, a Japanese scientist dreamed up a rocket-propelled train
50 years ago, a Japanese engineer tried rocket boosters on a train.
