Tryptophan, found in food, is an important ingredient in the neurotransmitter serotonin. But is that enough to support it…
Mention fungi and most people think of eating mushrooms or yeasts in bread or beer. But fungi are now on the CDC's list…
How do we know that bees were around when dinosaurs still roamed the Earth? The main evidence comes from fossils – the…
Masting is what biologists call the pattern of trees for miles around synchronizing to all produce lots of seeds – or…
Destruction of rainforests through wildfires or deforestation may harm human health. As these forests disappear, we may…
There's really no reason you can't use binoculars to look into space – and in fact astronomers have been working…
What caused the rise and then collapse 2,600 years ago of this vast empire centered on Mesopotamia? Clues from a cave in…
Apollo 11 tends to steal the spotlight when it comes to lunar landings. But Apollo 12 was the first mission to make a precise…
One hundred years ago, the inventor of the most deadly weapon of the 20th century was born in Russia. Now more than 100…
Engineers predict a time when people and robots physically interact all day long. For that to happen safely will require…
Talk of bioterrorism might provoke fears of smallpox and anthrax, but mundane threats like salmonella may pose greater danger.…
People caught and died from plague long before it caused major epidemics like the Black Death in the middle ages. Could…
Beyond the outer edge of the Solar System, mysterious, unknown worlds await by the thousands. Astronomers can now finally…
Sweaty feet and certain cheeses have something in common that makes them reek – can you guess what it is?
Many sites offer the ability to 'opt out' of targeted advertisements, but doing so isn't easy. Simplifying and…
Researchers are trying to boost the power of our immune system by genetically altering our white blood cells and transforming…
Fear of a disease that seemed to turn people into beasts might have inspired belief in supernatural beings that live on…
How many genes do you really need? Are there any that we can lose? Researchers are now identifying species that have streamlined…
The first internet communication was underwhelming, thanks to a computer crash. But a lot has happened since then – including…
To untangle the relationship between climate change, fall foliage and national park visitors, researchers are asking tourists…