science
Medicine
A Blood Test May Help Pinpoint the Right Antidepressant for You
A new study provides additional diagnostic information that could change the way depression is treated.... READ ON
History
A Founder of Earth Day Looks Back on How It Began
On April 22, 1970, Denis Hayes stood on a stage in Central Park, stunned by the number of people who'd come to honor the planet.... READ ON
Space
Look Up Tonight! The Lyrids Meteor Shower Is Set to Stun
You can expect to see 10 meteors an hour tonight.... READ ON
Science
What Makes Peregrine Falcons the Fastest Animals on Earth?
Cruising at rates between 40 and 60 miles per hour, one might say that the predatory bird is the cheetah of the sky.... READ ON
Fun
You Can Chat With Albert Einstein’s Facebook Bot Alter-Ego
Just prepare yourself for some physics puns.... READ ON
Science
This Frog’s Slime Fights the Flu
A peptide secreted by the frog’s skin kills the H1 variety of the flu virus.... READ ON
Medicine
New York’s Trans Fat Ban Reduced Heart Attacks and Strokes
Counties that implemented trans fat bans saw a significant decline in heart attacks and strokes compared to counties without bans.... READ ON
Science
The Fireball That Killed the Dinosaurs Could Help Us Find Life on Other Planets
The Chicxulub crater is providing new clues about how life may have begun on Earth about 4 billion years ago—and point us towards how and where we can look for life across the universe.... READ ON
Stones, Bones & Wrecks
Archaeologists Need Your Help to Study 100+ Graves in Philadelphia
With enough funding, they will analyze—and then reinter—the remains of people buried between 1707 and 1859 in a Baptist cemetery—and mental_floss will be in the lab with them.... READ ON
Science
Color Your Way Through Air Pollution With a Climate Change Coloring Book
Brian Foo's coloring book illustrates data on how climate change is altering the planet.... READ ON
Live Smarter
Study Sheds Light on Why Salty Snacks Are So Addictive
Salty food doesn't make you thirsty, but it might make you hungry.... READ ON
News
Freezer Malfunction Melts Precious Arctic Ice Samples
“I’ve had better days, let’s say that.”... READ ON
Space
New "Super-Earth" Exoplanet May Have Water—and Life
The planet resides in its star’s habitable zone, the slim "Goldilocks" orbit at which water can exist as a stable liquid.... READ ON
Animals
Lady Pigeons’ Hormones Show the Value of Studying Both Sexes
A new study refutes the longstanding scientific assumption that studying female physiology is a waste of time.... READ ON
Science
Tooth Decay May Have Turned Tsavo Lions into Man-Eaters
Humans were “so much easier to catch” than zebras or wildebeests.... READ ON
Animals
Researchers Discover New Species of Giant Spider
They knew they were on to something when they found a "giant" exoskeleton in a Mexico cave.... READ ON

John Adams and Thomas Jefferson were the only two men who signed the Declaration of Independence who also went on to become President of the United States.

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