Ten percent of the population in 17th century London died gruesomely of smallpox, a virus that spread easily via airborne particles or contaminated clothing.
Depression may have an evolutionary benefit. It may improve one's chances of fighting off infection.
Say, "Ahh!" Why do we have tonsils and why are they sometimes taken out?
New strains of antibiotic-resistant bacteria are appearing faster than scientists can discover new antibiotics.
Our bodies are also made up of living cells, the antibiotics have to distinguish between the cells in our bodies and the cells of the bacteria.
Is it possible to be too clean? Scientists are investigating the "hygiene hypothesis".
The reason it's smarter to store your eggs with the fat end up is that the egg itself does not completely fill the interior of the shell.
There's nothing more artificial than artificial flowers, right? But what about natural, artificial flowers?
Are porcupine quills poisonous? Well no, let's start with the basics...
Computers are great tools, but they can also be mystifying. Sometimes a program will just stop working correctly for no apparent reason. It could just be a random glitch that can be solved by restarting the machine, but sometimes the solution is not so simple, especially if at the root of the problem lurks a computer virus. Learn more on this Moment of Science.