The International Space Station is the biggest human made structure in space and the third brightest object in the sky. But the living conditions for the six astronauts on it are quite cramped.
Interestingly, there are more non-identical twins in Australia now than there have been before. The number of twin pregnancies has grown over the past 30 years.
School integration is often thought of as something that took place in the 1960s. But the first Black student to desegregate a school by court order was an Iowa girl named Susan Clark in 1868.
Of all the planets in the solar system, there’s a reason we call Earth home. It’s made of just the right stuff. It’s not too small, or too big, or too hot or too cold. It’s just right.
Most people think that many millions of years ago, Saturn didn’t have rings at all. Instead, it had a big moon moving around it. Eventually, the moon burst and broke into pieces.
The body tries to plug a wound quickly to stop germs getting in through broken skin and making you sick. But behind the scenes, your blood is working hard to repair a wound.