Barbara King Bret Hartman/Bret Hartman / TED hide caption
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Denise Herzing on the TED stage. James Duncan Davidson / TED hide caption
A Colombian worker checks the plastic protection cover over a banana bunch on a plantation in Aracataca, Colombia. A dreaded fungus that has destroyed banana plantations in Asia has now spread to Latin America. Jan Sochor/LatinContent via Getty Images hide caption
Devastating Banana Fungus Arrives In Colombia, Threatening The Fruit's Future
A Harvard research team's prototype of a portable exosuit is made of cloth components worn at the waist and thighs. A computer that's built into the shorts uses an algorithm that can sense when the user shifts between a walking gait and a running gait. Wyss Institute at Harvard University hide caption
These Experimental Shorts Are An 'Exosuit' That Boosts Endurance On The Trail
Lithium: A Doctor, a Drug, and a Breakthrough, by Walter A. Brown Liveright hide caption
Cows graze on a grass field at a farm in Schaghticoke, N.Y. The grass-fed movement is based on the idea of regenerative agriculture. John Greim/LightRocket via Getty Images hide caption
A bald eagle prepares to take off from a pine tree in Pembroke Pines, Fla. The eagle population rebounded after protections put in place under the Endangered Species Act. Wilfredo Lee/AP hide caption
Health workers in protective suits tend to an Ebola victim kept in an isolation cube in Beni in the Democratic Republic of Congo. Jerome Delay/AP hide caption
The Mosquito: A Human History of Our Deadliest Predator, by Timothy C. Winegard Dutton hide caption
At One World Trade Center in 2017, visitors watch a movie at the New York City building's observatory. Now there's a new feature: A scent meant to complement the multimedia experience. Gary Hershorn/Getty Images hide caption
The Swaying Power Of Scented Spaces Isn't Always Right Under Our Nose
A goldenrod midge maggot begins to form a loop. Reproduced/adapted with permission of Journal of Experimental Biology, Farley, G. M., Wise, M. J., Harrison, J. S., Sutton, G. P., Kuo, C. and Patek, S. N., 2019, Journal of Experimental Biology, volume 222, doi:10.1242/jeb.201129 hide caption
Large swaths of forest have been cut down in Brazil in recent decades to make room for farming. Deforestation contributes to global warming, and reversing it will be necessary to avoid catastrophic climate change. Andre Penner/AP hide caption
An artist's illustration of the giant parrot with a New Zealand wren for comparison. Brian Choo/Flinders University hide caption
Honeybees are seen feeding on the honeydew of whiteflies in citrus trees. Traces of neonicotinoids, a family of pesticides, have shown up in honeydew, an important food source for other insects. Alejandro Tena hide caption