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Everyone's on the Hunt for the Element Lithium
science.howstuffworks.com/environmental/earth/geology/lithium.htm
The element lithium is one of just three created during the Big Bang and has been used for mental health care for decades. But now it's in higher demand than ever before.
Evolution by Natural Selection: Examples and Effects of Adaptation
science.howstuffworks.com/life/evolution/natural-selection.htm
Natural selection is the idea that organisms that are best suited to survive pass their traits down. Is it true that only the strong survive?
Exactly what happens if we run out of water?
science.howstuffworks.com/environmental/earth/geophysics/run-out-of-water.htm
On a planet that is 70 percent water, people don't have enough clean, safe water to drink. We're in a water crisis, and water rights are becoming a big issue. What happens if we just plain run out?
Excel Is Autocorrecting Scientific Research. And That's Not Cool
After surveying thousands of published genetics papers, researchers found nearly one-fifth had errors caused by Microsoft Excel in their supplementary files. Uh-oh.
Exoplanets: Distant Worlds Beyond Our Solar System
science.howstuffworks.com/10-exoplanets.htm
These 10 remarkable exoplanets are the ones we'd like to investigate. Learn about 10 of the most remarkable astronomers have discovered.
Explaining Diameter Measurements Used in Wire, Nail, and Bullet Sizes
science.howstuffworks.com/question260.htm
Bullet size is measured in calibers, but how are wires and nails measured? Learn about bullet size and caliber in this article.
Exploring Jovian Planets, the Titans of Our Solar System
science.howstuffworks.com/jovian-planets.htm
The four Jovian planets are officially designated as gas (and/or ice) giants. Which planets are they and what makes them so unique?
Exploring Mars: Insights Into the Red Planet
science.howstuffworks.com/mars.htm
Since the 1960s, we've been captivated by the planet Mars. How different is our neighbor, and what have we learned about the most explored planet?
Exploring the "G" in Newton's Law of Universal Gravitation
science.howstuffworks.com/math-concepts/gravitational-constant.htm
Sir Isaac Newton's Law of Universal Gravitation helps put the laws of gravity into a mathematical formula. And the gravitational constant is the "G" in that formula.
Exploring the Chinese Space Station Project
science.howstuffworks.com/chinese-space-station-news.htm
The Chinese space station Tiangong, now with its first crew of astronauts, is scheduled for completion in 2022. What does that mean for the future of the aging International Space Station and multinational space cooperation?