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Tornado Watch vs. Warning: Differentiating Disaster Alerts

science.howstuffworks.com/nature/climate-weather/storms/tornado-watch-vs-warning.htm

Understanding a tornado watch vs. warning is the difference between preparing for a potential disaster or immediately seeking shelter.

Towering Obelisks Are Everywhere. Here's Why They're So Awe-inspiring

science.howstuffworks.com/engineering/architecture/obelisk.htm

Obelisks can be found in cities throughout the world, from Washington, D.C., to Paris, France. But what is the origin of these massive structures?

Trinitite: How the First Nuclear Bomb Turned Sand to Glass

science.howstuffworks.com/trinitite-first-nuclear-bomb-turned-sand-to-glass.htm

Sand turned to glass at White Sands Missile Range. What do we know today about the remnants of the world's first nuclear blast?

Tropical Rainforest Guide: How Rainforests Work

science.howstuffworks.com/environmental/conservation/issues/rainforest.htm

Tropical rainforests are the most diverse ecosystems on Earth, and also the oldest. Today, tropical rainforests cover only 6 percent of the Earth's ground surface, but they are home to over half of the planet's plant and animal species.

Trovants Are Stones That Seem to Grow, Move and Reproduce

science.howstuffworks.com/environmental/earth/geology/trovants.htm

Trovants, found only in a small town in Romania, are stones that actually seem to move and grow. But are they alive?

Try These 5 Daily Habits to Improve Your Life This Year

science.howstuffworks.com/life/inside-the-mind/human-brain/try-5-daily-habits-to-improve-life.htm

A new year is always a good time to set new goals. We've come up with five healthy changes that have been scientifically shown to improve your well-being.

Tsar Bomba: The Most Powerful Nuclear Weapon Ever Built

science.howstuffworks.com/tsar-bomba.htm

In 1961, the Soviet Union detonated the Tsar Bomba, still the biggest, most powerful nuclear bomb ever built. One of the cameramen who recorded the event said it sounded "as if the Earth has been killed."

Tungsten's Boiling Point Is 10,030 F and Other Crazy Facts

science.howstuffworks.com/tungsten.htm

Tungsten's hardness and heat resistance make it a must for products like rocket engine nozzles, armor-piercing bullets and even the humble light bulb filament. In fact, pure tungsten boils at 10,030 F, the same as the photosphere of the sun.

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