Sharks and their ray relatives exhibit a remarkable diversity in pupil shapes and eye sizes. These varied adaptations offer crucial insights into their hunting strategies and daily

Sharks and their ray relatives exhibit a remarkable diversity in pupil shapes and eye sizes. These varied adaptations offer crucial insights into their hunting strategies and daily lives.

Such unique eye characteristics provide significant clues, revealing much about the distinct lifestyles of these fascinating creatures.

Coyotes hold a complex and often contradictory place in the American imagination, viewed as everything from gods and tricksters to pests and heroes. Praised for their intelligence and

Coyotes hold a complex and often contradictory place in the American imagination, viewed as everything from gods and tricksters to pests and heroes. Praised for their intelligence and adaptability, they are simultaneously reviled for impacting livestock and encroaching on urban areas.

These wild canines are ubiquitous across America, silently navigating Hollywood boulevards, New York City alleys, Florida pasturelands, and Arizona borderlands. Their pervasive presence embodies a cunning, rebellious, and beautiful spirit.

Special thanks to Jerry Rowlette for his amazing remote-camera footage from the Tucson mountains.

Not all "vampires" reside in Transylvania; some infest underwater pens of farmed salmon. Tiny parasites called sea lice make life miserable for both farmed and wild fish, weakening adults and

Not all "vampires" reside in Transylvania; some infest underwater pens of farmed salmon. Tiny parasites called sea lice make life miserable for both farmed and wild fish, weakening adults and killing juveniles.

These bloodsuckers pose a dual threat: the lice themselves harm fish, and the pesticides used to control them can be toxic to other marine life. Their prevalence signals a critical need for improved practices in certain salmon farms.

Acclaimed actor, producer, and director Sam Waterston is a dedicated champion for our oceans and a major supporter of Oceana. At Oceana's New York Gala in October, Waterston delivered an inspiring

Acclaimed actor, producer, and director Sam Waterston is a dedicated champion for our oceans and a major supporter of Oceana. At Oceana's New York Gala in October, Waterston delivered an inspiring speech that captivated the audience, encouraging everyone to #StandForOceans.

We hope his powerful message inspires you. Join Sam in supporting Oceana and learn more about their vital work here: Oceana Support.

Poke, a popular raw tuna dish, raises significant sustainability concerns. Tracking the origin of yellowfin or bigeye tuna used in poke is often difficult, highlighting broader issues in the

Poke, a popular raw tuna dish, raises significant sustainability concerns. Tracking the origin of yellowfin or bigeye tuna used in poke is often difficult, highlighting broader issues in the seafood supply chain.

This lack of transparency is common across the seafood industry, leaving consumers with little information about what they eat. To combat seafood fraud and promote sustainable practices, Oceana is actively working on solutions. Learn more about their efforts: https://bit.ly/2FvJLZo

Companies must increase their support for women and actively address the #MeToo movement. This requires them to step up, speak out, and implement concrete actions to foster safer, more equitable

Companies must increase their support for women and actively address the #MeToo movement. This requires them to step up, speak out, and implement concrete actions to foster safer, more equitable workplaces.

For further insights and examples on corporate engagement, learn more at BSR18.

Anthropologist and venture capitalist Stephen DeBerry reveals a surprising insight: communities on the social, economic, and environmental margins often reside on the east sides of cities. In his

Anthropologist and venture capitalist Stephen DeBerry reveals a surprising insight: communities on the social, economic, and environmental margins often reside on the east sides of cities. In his talk, he explains how environmental and man-made factors create "disparity by design" in places like East Palo Alto and East Jerusalem, offering elegant solutions.

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Michelle Romero highlights community efforts to introduce sustainable and efficient transportation in rural towns.

These initiatives prioritize mobility and health access over environmental

Michelle Romero highlights community efforts to introduce sustainable and efficient transportation in rural towns.

These initiatives prioritize mobility and health access over environmental concerns.

Chemical engineer Jennifer Wilcox addresses our planet's urgent carbon problem, presenting innovative technology to remove atmospheric carbon dioxide. Her method uses chemical reactions to capture

Chemical engineer Jennifer Wilcox addresses our planet's urgent carbon problem, presenting innovative technology to remove atmospheric carbon dioxide. Her method uses chemical reactions to capture and reuse CO2 on a vast scale, mirroring nature's approach. This talk delves into both the promise and challenges of this crucial solution.

Explore more inspiring talks from leading thinkers at the TED Conference, covering Technology, Entertainment, Design, science, business, and global issues. Connect with TED on TED.com, Twitter, Facebook, and YouTube.