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Hurricane Matthew is roaring across the Caribbean Sea as a monster Category 5 storm on a course that puts Jamaica, as well as parts of Haiti and Cuba, in the path of its potentially devastating winds and rain.

The U.S. National Hurricane Center called it the strongest Atlantic hurricane since Felix in 2007, and said Matthew will be approaching Jamaica late Sunday night. It is expected to reach the eastern part of the island on Monday.

The U.N. is planning to launch its first space mission into orbit, packed with scientific experiments from countries that can't afford their own space programs.

It's teaming up with the Sierra Nevada Corporation, which makes the Dream Chaser, a reuseable spacecraft that, when it returns from orbit, can land at an ordinary airport. They formally announced the plans this week at the International Astronautical Congress in Guadalajara, Mexico.

How Can Dinosaurs Help Us Understand Our Own Species?

19 hours ago

Part 4 of the TED Radio Hour episode Anthropocene

About Kenneth Lacovara's TED Talk

Earth's rocks and fossils can help us understand our own species. Paleontologist Kenneth Lacovara says there's "no doubt" that humans' impact on Earth will show up in the geological record.

About Kenneth Lacovara

Are We Headed Into Another Mass Extinction?

19 hours ago

Part 3 of TED Radio Hour episode Anthropocene

About Peter Ward's TED Talk

At various times, life on earth has come close to being erased. Paleontologist Peter Ward explains what we can learn from previous mass extinctions

About Peter Ward

What's The Anthropocene?

19 hours ago

Part 1 of the TED Radio Hour episode Anthropocene

About Kenneth Lacovara's TED Talk

Have we entered a new age defined by humans? Paleontologist Kenneth Lacovara says there's "no doubt" that humans' impact on Earth will show up in the geological record.

About Kenneth Lacovara

How Do We Embrace All Kinds Of Nature?

19 hours ago

Part 2 of TED Radio Hour episode Anthropocene

About Emma Marris's TED Talk

Environmental writer Emma Marris wants us to broaden our definition of nature to one that embraces urban and wild spaces in order learn to protect and care for it.

About Emma Marris

Can We Preserve Seed Diversity For The Future?

19 hours ago

Part 5 of TED Radio Hour episode Anthropocene

About Cary Fowler's TED Talk

Biodiversity archivist Cary Fowler explains how the Svalbard Global Seed Vault will prepare humans for the climate change and its effect on our environment and our food supply.

About Cary Fowler

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On Wednesday evening, the city of Reykjavik, Iceland, turned off street lights and encouraged people to darken their homes so that everyone could watch the northern lights.

The city council released a statement saying street lights would be turned off in multiple sections of the city between 10 p.m. and 11 p.m. local time and warning people to drive carefully.

Federal health officials are urging all Americans to get their flu shots as soon as possible, and are especially concerned that too few elderly people are getting vaccinated.

"Flu is serious. Flu is unpredictable," Dr. Thomas Frieden, the director of the Centers for Disease Control and Prevention, told reporters during a joint briefing Thursday with the National Foundation for Infectious Diseases. "Flu often does not get enough respect."

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