-
Why is Venus so bright?The "morning star" is bright because of several factors, including having an atmosphere filled with sulfuric acid.
2 Comments -
What's the fastest a human can grow?Humans grow tall in spurts, but what's our fastest period of growth?
-
Can a turtle tuck its head all the way inside its shell?Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.
-
How are 'traumatic tattoos' made, and do you have one?Traumatic tattoos aren't like regular ones, and they often involve pencils.
-
What was the loudest sound ever recorded?Determining the "loudest recorded sound" depends on how you define sound and on which measurements you choose to include.
6 Comments -
What if Antony and Cleopatra had defeated Octavian?How would history have unfolded if Antony and Cleopatra had defeated Octavian? Would they have ruled the Roman Empire?
-
What's the difference between a newt and a salamander?Salamanders and newts are both long-tailed amphibians, but what's the difference between them?
-
Do your dreams change as you age?A young child's dreams and an elderly hospice patient's dreams can be very different. What has research found about how our dreams change over time?
4 Comments -
Why do some cat siblings look so different?Normally, siblings resemble each other. So why does a litter of kittens often come in a variety of colors?
3 Comments
