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15:57
275 463

Why bees are disappearing

Honeybees have thrived for 50 million years, each colony 40 to 50,000 individuals coordinated in amazing harmony. So why, seven years ago, did colonies start dying en masse? Marla Spivak reveals four reasons which are interacting with tragic consequences. This is not simply a problem because bees pollinate a third of the world’s crops. Could this incredible
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15:56
160 604

How a fly flies

An insect's ability to fly is perhaps one of the greatest feats of evolution. Michael Dickinson looks at how a fruit fly takes flight with such delicate wings, thanks to a clever flapping motion and flight muscles that are both powerful and nimble. But the secret ingredient: the incredible fly brain. (Filmed at TEDxCaltech.)
15:25
113 538

Your brain is more than a bag of chemicals

Modern psychiatric drugs treat the chemistry of the whole brain, but neurobiologist David Anderson believes in a more nuanced view of how the brain functions. He illuminates new research that could lead to targeted psychiatric medications -- that work better and avoid side effects. How's he doing it? For a start, by making a bunch of fruit flies angry. (Filmed
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15:25
107 579

Science is for everyone, kids included

What do science and play have in common? Neuroscientist Beau Lotto thinks all people (kids included) should participate in science and, through the process of discovery, change perceptions. He's seconded by 12-year-old Amy O'Toole, who, along with 25 of her classmates, published the first peer-reviewed article by schoolchildren, about the Blackawton bees project. It
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15:41
81 383

Could this laser zap malaria?

Nathan Myhrvold and team's latest inventions -- as brilliant as they are bold -- remind us that the world needs wild creativity to tackle big problems like malaria. And just as that idea sinks in, he rolls out a live demo of a new, mosquito-zapping gizmo you have to see to believe.
11:58
66 240

What we learn from insects’ kinky sex lives

Marlene Zuk delightedly, determinedly studies insects. In this enlightening, funny talk, she shares just some of the ways that they are truly astonishing — not least for the creative ways they have sex.
13:51
58 196

The loves and lies of fireflies

Biologist Sara Lewis has spent the past 20 years getting to the bottom of the magic and wonder of fireflies. In this charming talk, she tells us how and why the beetles produce their silent sparks, what happens when two fireflies have sex, and why one group of females is known as the firefly vampire. (It's not pretty.) Find out more astonishing facts about fireflies
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20:26
41 681

The emergent genius of ant colonies

With a dusty backhoe, a handful of Japanese paint markers and a few students in tow, Deborah Gordon digs up ant colonies in the Arizona desert to understand their complex social system.
16:34
14 871

Why not eat insects?

Marcel Dicke makes an appetizing case for adding insects to everyone's diet. His message to squeamish chefs and foodies: delicacies like locusts and caterpillars compete with meat in flavor, nutrition and eco-friendliness.
15:10
11 889

A secret weapon against Zika and other mosquito-borne diseases

Where did Zika come from, and what can we do about it? Molecular biologist Nina Fedoroff takes us around the world to understand Zika's origins and how it spread, proposing a controversial way to stop the virus — and other deadly diseases — by preventing infected mosquitoes from multiplying.
16:23
8 327

a plea for bees

Bees are dying in droves. Why? Leading apiarist Dennis vanEngelsdorp looks at the gentle, misunderstood creature's important place in nature and the mystery behind its alarming disappearance.
15:23
09

Natural pest control ... using bugs!

At TEDxTelAviv, Shimon Steinberg looks at the difference between pests and bugs -- and makes the case for using good bugs to fight bad bugs, avoiding chemicals in our quest for perfect produce.