Science & Technology

Science and technology news

At the outset, the Internet was expected to be an open, democratic source of information. But algorithms, like the kind used by Facebook, instead often steer us toward articles that reflect our own ideological preferences and search results usually echo what we already know and like.

The Uppermost Aristocracy of the Hoverfly Society

Jul 23, 2016

You may have seen a hoverfly before. You also may have mistaken it for something else — a bee, or a wasp. They are masters of mimicry, imitating more dangerous insects to avoid predators.

Fredrik Sjöberg is not fooled by these disguises. He's spent the last thirty years hunting for hoverflies, and can distinguish between species based on tiny differences in antennae color or wing shape.

Sjöberg is an amateur entomologist, but a committed one.

"You want to know something that no one else knows," he explains, "you want to become the real expert."

Helping Transgender People Find Their Voice

Jul 23, 2016

When they make a transition to publicly presenting themselves as a different gender, transgender people face many challenges. Possible surgeries and hormone treatments are some of them.

When you're pregnant, going to the doctors can be exciting. You get to find out if you're having a boy or a girl. Maybe hear the baby's heart beat.

But in southern Africa, many women find out something else.

Allison Groves at American University recently ran a study in a town outside Durban, South Africa. They followed about 1,500 pregnant women. The results left her speechless.

"My name is Becki," says a young woman standing in a convention center turned comic book bazaar. Then she flips a mane of orange hair and launches into Scottish accent. "And today, I am Merida from Brave."

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