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Ancient Babylonian Tablet May Show Early Trigonometry, But Some Experts Are Dubious

science.howstuffworks.com/math-concepts/babylon-tablet-plimpton-322-trigonometry.htm

A reinterpretation of an ancient Babylonian tablet shows that trigonometry might be 1,000 years older than thought. But there's some disagreement.

Why Is There a Gap at the Front of Public Toilet Seats?

home.howstuffworks.com/gap-open-front-u-shape-public-toilet-seat.htm

Open-front public toilet seats are U-shaped, while those in private residences are O-shaped. What gives?

Is there such a thing as a truly unselfish act?

science.howstuffworks.com/life/evolution/unselfish-act.htm

An unselfish act is an act in which one person benefits while the person performing the act gains nothing. Find out if an unselfish act is possible.

What is landsickness?

health.howstuffworks.com/mental-health/neurological-conditions/landsickness.htm

Landsickness is motion sickness anomaly -- a person with landsickness actually feels better while in motion. Learn more about landsickness.

Poisonous Death Cap Mushroom Spreads Over North America

science.howstuffworks.com/life/biology-fields/poisonous-death-cap-mushroom.htm

Amanita phalloides is non-native to the North American continent, introduced to California from Europe, and rapidly spreading.

SCOTUS Is Back in Session With More Controversial Cases on the Docket

people.howstuffworks.com/supreme-court-22-23-session-news.htm

Affirmative action, LGBTQ rights and election laws are all on the Supreme Court's new session. And how SCOTUS rules could change many Americans' lives.

14 People Who Vanished Without a Trace

people.howstuffworks.com/people-who-vanished.htm

One day they were here and the next they simply disappeared. What happened to these 14 people? Will we ever know what happened to them or will their fates be unsolved forever?

Three Famous Hypotheses and How They Were Tested

science.howstuffworks.com/innovation/scientific-experiments/hypothesis.htm

From Isaac Newton to Ivan Pavlov, scientists have developed and tested hypotheses through carefully crafted experiments for centuries. Here are three groundbreaking hypotheses and the predictions they tested.

Top 10 Doomsday Prophecies

science.howstuffworks.com/nature/natural-disasters/10-2012-doomsday-prophecies.htm

It seems like every few years someone comes out with a new doomsday prophecy. From aliens and asteroids to floods and earthquakes, how do people think the world will end?

Why would circumcision decrease a man's risk of contracting AIDS?

science.howstuffworks.com/environmental/life/cellular-microscopic/circum-aids.htm

The results of three recent studies show that an uncircumcised man is twice as likely to contract AIDS from an infected woman as is a circumcised one.

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