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How Old Is Earth and How Did Scientists Figure It Out?
science.howstuffworks.com/how-old-is-earth.htm
In 1953, CalTech geochemist Clair Patterson came up with an estimate for Earth's age that still holds today.
The Smartest Dinosaur (and 9 More Clever Prehistoric Reptiles)
animals.howstuffworks.com/dinosaurs/smartest-dinosaur.htm
Which were the smartest dinosaurs? While we can't sit a Velociraptor down for an IQ test, scientists use fossil evidence like brain cavity size and body ratios to make educated guesses.
Yosemite Landmarks That Will Take Your Breath Away
lifestyle.howstuffworks.com/family/activities/yosemite-landmarks.htm
You don’t have to be a geologist or a thrill-seeking mountaineer to fall in love with Yosemite landmarks. From the moment you step into Yosemite National Park, you’re stepping into a living postcard framed by granite cliffs, cascading waterfalls and ancient giant sequoias.
Psychic Powers: Fun to Consider, Even Without Scientific Support
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/psychic-powers.htm
Ever get the sense that someone is staring at you, only to turn around and find out you're right? That might be your psychic powers at work. While mainstream science doesn’t fully endorse the idea, cultures around the world have explored these abilities for centuries.
12 Arctic Animals That Stay Warm (and Adorable) in Subzero Temperatures
animals.howstuffworks.com/wild-animals/arctic-animals.htm
The arctic animals that live in the far north survive in some of the harshest conditions on Earth. Winter temperatures plunge far below 0 degrees Fahrenheit (minus 18 degrees Celsius), sea ice drifts across the Arctic Ocean, and darkness lasts for months.
How the Death Star Works
entertainment.howstuffworks.com/death-star.htm
With so much global unrest, governments worldwide are struggling to devise new methods to maintain order. The Galactic Empire's solution to order is the Death Star. Learn the fascinating history behind this powerful military and political tool, discover other incarnations of the Death Star and find out what really happens when you blow up a planet.
How Vitamin B5 Works
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/vitamin-b5.htm
Learn about vitamin B5, or pantothenic acid, which helps release energy from carbohydrates, fats, and proteins and helps produce red blood cells.
How the Terracotta Army Works
science.howstuffworks.com/environmental/earth/archaeology/terracotta-army.htm
The Terracotta Army was commissioned under Emperor Qin as protection for the afterlife. Learn why the Terracotta Army isn't as unique as it is massive.
Ultimate Guide to Recycled T-Shirt Crafts
lifestyle.howstuffworks.com/crafts/recycled/recycled-t-shirt-crafts.htm
Recycled t-shirt crafts can be a lot of fun to make. Visit HowStuffWorks to learn all about making recycled t-shirt crafts.
Balneotherapy Overview
health.howstuffworks.com/skin-care/beauty/skin-treatments/balneotherapy.htm
Balneotherapy, or the therapeutic use of water, is a safe and time-tested treatment. Learn about uses and history of balneotherapy.