Ashley Hamer

Will we ever have an underwater tunnel between New York and London?

Why do kangaroos have 3 vaginas?

It's commonly thought that sperm "race" to the egg, with the winner fertilizing it. But is this really the case?

Earth is round, but are there any planets in the universe that aren't?

The human body has a number of mechanisms that prevent you from holding your breath until you suffocate.

From the moment of the Big Bang, everything in the universe has kept moving, but why is that?

When did humans first roast food over a fire? Archaeology and biology can shed light on this mystery.

If we can see at most 3% of the universe, how can we estimate the total number of galaxies in it?

You've probably had a dentist remind you to floss — but when's the best time to do so?

When a dog looks strikingly like its owner, is that a coincidence or is there more to the story?

Black holes aren't "cosmic vacuum cleaners," but what would happen if one wandered into our solar system?

Babies usually rub their eyes when they're tired, but why?

Clothes don't survive the way artifacts made of stone, bone and other hard materials do, so scientists have to get creative to answer this question.

Taste receptors have been found far beyond the tongue, but do they help perceive taste or work like the ones in our mouths?

Sonar images could reveal the location of Earhart’s fatal crash, but some experts say the object can’t be her aircraft.

Humans have all kinds of pets, but do any other animals have them too?

What you think is cat vomit may actually be something else, like a fur ball or regurgitation.

The moon's halo is always 22 degrees wide in the night sky when it appears. So what causes it?

Should you work out if you have a cold? What about a fever?

Some were iridescent, and others were camouflaged.