Mount Olympus
Olympus Mons, the largest volcano in the solar system, towers a breathtaking 25 km above the surrounding plains on Mars. Until recently scientists thought that Olympus Mons and other volcanoes on the Red Planet had been extinct for hundreds of millions,…
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Biology
The Self-less Gene?
The dictionary defines altruism as 'an unselfish concern for the welfare of others.' That's the kind of…
Biology
Why Tree Twig Twine Twists Tongues
Even though we call it a 'tongue twister,' it isn't really your tongue that has a hard time saying 'sixth sick…
Medicine
The Placebo Effect
To test new drugs, researchers usually divide their subjects into two groups. One group receives the…
Physics
The World's Largest Laser
In a rural community in Northern California, in a building spanning the length of two football fields…