Why do cats rub their cheeks on stuff?
Lara, age 10, asks Dr. Universe
Ask Dr. Universe
Are mermaids real? Is there a species that contains DNA that’s half human and half fish?
Maite, age 12, asks Dr. Universe
Why do cats purr?
Kaylee, age 11, asks Dr. Universe
Why do owls stay up at night?
Zelezina, age 8 ½, asks Dr. Universe
Do fish and sharks drink water?
Copper, age 9, asks Dr. Universe
How long do you have to train to become a scientist?
Katelyn, from Texas, asks Dr. Universe
How does the brain transfer signals to each body part to move?
Ask Dr. Universe: Questions and Answers, Episode 18
Dr. Universe: Why do dogs and cats spin around before they sit down?
The Spokesman-Review
Dr. Universe: Why do dogs and cats spin around before they sit down?
Ask Dr. Universe
