Rip currents are like hidden rivers near the shore that head out to sea. An unexperienced swimmer or surfer can get caught in one, panic, and drown. So The Sydney Morning Herald put together a guide on how to spot rips. The mix of video and graphics makes things more clear, as they better represent what people will actually see at the beach. And the overheads for many major beaches in Australia are also helpful. [Thanks, Neville]
Spotting rip currents
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Who Funds the World Health Organization
A couple of weeks ago — or maybe it was a couple of years ago, I’m not sure — the administration announced it would withdraw funding from the World Health Organization. Here’s what that does to the overall picture.
Air Quality Mapped Over Time
With wildfires burning in the western United States, smoke fills the air. This is an animation of the air quality during the past couple of months.