Science + Technology – Articles, Analysis, Opinion

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An artist’s conception of two black holes entwined in a gravitational tango. NASA/JPL-Caltech/SwRI/MSSS/Christopher Go

Supermassive black hole at the center of our galaxy may have a friend

There is a massive black hole in the center of the Milky Way galaxy. Measurements of star orbits near this black hole suggest that there may be a second companion black hole nearby.
Affluent neighborhoods have very different microbes from those in poor ones. Zentangle/Shutterstock.com

Inequity takes a toll on your gut microbes, too

You probably know about the collection of microorganisms that live in, on and around us. But did you know that not everyone in society has equal access to them? That needs to change.
Measuring in at 10,159 miles (16,350 kilometers) in width (as of April 3, 2017) Jupiter’s Great Red Spot is 1.3 times as wide as Earth. NASA/JPL-Caltech/SwRI/MSSS/Christopher Go

Contrary to recent reports, Jupiter’s Great Red Spot is not in danger of disappearing

Little bits of Jupiter's Great Red Spot seem to be flaking off. Is it a sign of the demise of this enigmatic red cloud, or just a consequence of atmospheric chaos we can't see from above?
These foods are all dependent on microorganisms for their distinctive flavor. margouillat photo/Shutterstock.com

Thank fungi for cheese, wine and beer this holiday season

Bread. Yeast. Wine. Cheese. All these delicious foods are courtesy of various forms of domesticated fungi. So how, exactly, did humans tame wild fungi into the cooperative species that make our food?
Blood has special traits unique to every person. TippaPatt/www.shutterstock.com

What are blood types?

Every person's blood is identified by type. Why does this matter?
Those smiles probably aren’t thanks to tryptophan. Monkey Business Images/Shutterstock.com

Turning to turkey’s tryptophan to boost mood? Not so fast

Tryptophan, found in food, is an important ingredient in the neurotransmitter serotonin. But is that enough to support it as a possible mood booster? The research is decidedly mixed.
A fossilized bee in amber. Fossilmuseum.net

Did bees live in the time of dinosaurs?

How do we know that bees were around when dinosaurs still roamed the Earth? The main evidence comes from fossils – the mineralized remains of long-dead organisms.