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No. 1,607

Marie Curie's notebooks are still radioactive.

Hit me with the next fact

buzzing

  1. 11 Terrifying Images of Old Soviet Playgrounds

    1.5K Likes
  2. A Drive Around London in 1926

    1.2K Likes
  3. 10 Hotel Secrets from Behind the Front Desk

    144 Comments
  4. What 11 Pairs of Eyeballs Watching a Movie Looks Like

    36K Views
  5. 36 Unusual Units of Measurement

    116K Views on YouTube

Is the Government Reading Your Email?

In an excerpt from their new book, D.B. Grady and Marc Ambinder offer 13 ways to tell whether the government is sniffing around your inbox.

THE KNOWLEDGE FEED

History

The Founder of Mother's Day Later Fought to Have It Abolished

3.5K Likes

History

7 Jobs We’re Glad are Obsolete

Words

The Language Isaac Newton Invented

Videos

38 Common Spelling and Grammar Errors

414K Views on YouTube

List

5 Other Kidnapping Victims Who Survived Their Ordeals

Brain Game

All Thawed Out

Big Question

How Can You Get Better at Remembering Names?

Movies

The 1926 Gatsby Film Was Rotten and Awful and Terrible

quiz

5 Questions: "Bass" Ackwards

Morning Cup of Links

Old Spock vs. New Spock

List

The Origins of 8 Curious Body Part Names

Contest!

Share Your Best Nerdy Mom Story

45 Comments

The Week

7 Genetically Modified Animals That Glow in the Dark

TV

Bates Motel Recap, Episode 8: A Boy and His Dog

Movies

6 Influential Stop-Motion Movies From Ray Harryhausen

Missing Links

A Death in The Simpsons Family

Miss Cellania

8 Decidedly Different Benches to Sit On

List

6 Terrific Tattoos On Teachers

quiz

State Nicknames

Food

A Brief History of Kool-Aid

Books

One for the Books: 8 Literary Lawsuits

T-Shirt Tuesday

Amateur Crastination League

List

15 Famous People Who Used to Teach

336 Tweets

List

10 Remarkable Teachers for National Teacher Day

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Daily Floss

Morning Cup of Links

Colbert's Commencement Address

5 Questions

5 Questions: Now with "Wings"

Brain Game

Math Square #171

Lunchtime Quiz

How Many Vice Presidents Can You Name in 10 Minutes?

brilliant questions from you!

When and Why Did People Start Saying "Um"?
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What Did Grover Cleveland Do Between Terms?
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Why Aren't There B Batteries?
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What Museums Should Everyone Visit at Least Once?

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DID YOU KNOW? Marlon Brando hated memorizing lines so much that he posted cue cards everywhere to help him get through scenes. He even asked for lines to be written on an actress's posterior. (That request was denied.)