Latest about Life's Little Mysteries
Why are so many ancient Egyptians buried at the Saqqara necropolis?
The ancient Egyptians buried their dead at Saqqara for thousands of years. Why was the necropolis so important to them?
How many stars in the Milky Way die each year?
Stars die at different rates depending on how they kick the bucket.
Daytime moon: Why can we sometimes see the moon in broad daylight?
The daytime moon is visible almost every day of the month, except those closest to the full moon and new moon. Here's why the moon and sun often share the daytime sky.
How do fireflies light up?
Fireflies use a glowing chemical reaction to signal to one another in the dark of dusk and night.
Why did Homo sapiens emerge in Africa?
Our human ancestors arose in Africa due to many factors, including climate.
What's the highest place on Earth that humans live?
Inhabitants of the world's highest settlement, La Rinconada, in the Peruvian Andes, face a unique set of challenges.
Can a commercial airplane do a barrel roll?
Pilots have been doing barrel rolls in small planes throughout the history of aviation. But has anyone ever attempted this maneuver in a commercial airliner?
Why is there sometimes a green flash at sunset and sunrise?
On a clear day, sometimes a green flash appears with the sun on the horizon just after sunset or before sunrise. But why does this happen?
