Typhoon Kammuri death toll rises to four in Philippines

At least four people are known to have died after a powerful typhoon ripped through the Philippines, officials said Wednesday, with high-speed winds prompting large-scale evacuations, tearing off roofs and shutting down Manila ...

What will the world look like in 2050?

It's 2050, and another balmy day in Los Angeles. A young woman steps outside and puts on her air filtration mask. The air is thick with smog, which aggravates her asthma. As she hurries to get into an air-conditioned, self-driving ...

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