science - Trivia, Quizzes, and Brain Teasers | Mental Floss

Why Do Cats Sleep So Much?

Azat Kılınç, Unsplash

Why Do Cats Sleep So Much?

Why Do Babies Laugh?

A baby's laugh can offer a lot of insight into their development.

Why Do Babies Laugh?

Grad Student Solves the Conway Knot, a Math Problem That Has Stumped Experts for 50 Years

Pexels, Pixabay

Grad Student Solves the Conway Knot, a Math Problem That Has Stumped Experts for 50 Years

Worried About Asteroids Hitting Us in 2020? Don't Be

Two asteroids are expected to come close to Earth soon, but there's no cause for alarm.

Worried About Asteroids Hitting Us in 2020? Don't Be

Zoonotic Diseases 101: How Viruses Jump From Animals to Humans

A juvenile saddleback tamarin is measured as part of an annual health check of a population of three primate species in southeastern Peru.

Want to Save a Cow From Being Attacked By a Predator? Paint Some Eyes on Its Butt

There's an inexpensive way to protect cows from predators. It involves painting their butts.

Craving Nature? Your Gut Microbiome Might Be Responsible

These hikers's gut microbes are running the show.

10 Questions About Joining a Coronavirus Vaccine Trial, Answered

Coronavirus vaccine trials pose a lot of questions for those looking to volunteer.

Contracting COVID-19 From Food or Food Packaging Is Unlikely, According to WHO

Even if this lemon is caked in coronavirus pathogens (which is unlikely), she'll be fine as long as she washes her hands.

The Psychological Tricks Disney Parks Use to Make Long Wait Times More Bearable

© Jorge Royan, Wikimedia Commons // CC BY-SA 3.0

A Stroke of Genius: New Research Shows That Sperm Don’t Slither—They Corkscrew

Sperm have been duping us for nearly 350 years.

9 Rockin' Facts About Earthquakes

Earthquakes don't cause giant cartoonish chasms to open up, but they can tear up the landscape like this.

10 Facts About Real Genius On Its 35th Anniversary

Val Kilmer stars in Martha Coolidge's Real Genius (1985).

10 Secrets of Epidemiologists

Epidemiologists are fans of charts.

Why Researchers Believe a 'Crappy' Coronavirus Test Can Help Fight the Pandemic

Cheap tests may be the key to fighting coronavirus.

15 Fascinating Facts About Fatbergs

A piece of fatberg from the sewer systems under London's Whitechapel neighborhood on display at the Museum of London. And if you think this piece is gross, you should have seen the fatberg when it was in the sewer.