Right Now in Science
We're used to taking the phrase "survival of the fittest" to mean it's an "every man for himself" world. But some animals (like worker bees) sacrifice themselves to ensure their species lives on. Why would they do this?
Introducing a new species into an ecosystem can have unforeseen and disastrous consequences for the species that already live there.
It sure would be handy to know what the weather is going to be like for the next year. Unfortunately, there's just one problem: Weather is notoriously difficult to predict. So is the Farmers' Almanac accurate, or is it just blowing hot air?
From beneath the Earth's crust to the farthest reaches of outer space, explore your world as you piece together these science puzzles.
How Kin Selection Works
Invasive Species and Extinction
Farmers' Almanac and Weather Predictions
- Environmental Science
- Forces of Nature
- Life Science
- Physical Science
- Science Vs. Myth
- More Topics
- Previous Topics
In the past few years, tooth-whitening has exploded as the physical upgrade of choice. Unlike nose jobs and chin tucks, just about anybody can afford to try this at home. Learn about different whitening techniques and how they work, and decide if you should give it a try.
A simple doll can't tell a researcher whether a car crash resulted in a broken bone, a cracked rib cage or skin abrasions. Crash test dummies, on the other hand, are sophisticated enough to simulate such injuries.