swimming
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Learn How To Escape A Rip With This Handy Illustrated Guide
This post was originally published on January 3 2017 over on Lifehacker. This sponsored repost is brought to you by Surf Life Saving Australia If you’re planning on hitting the beach this summer, take a look at this handy guide before you dive into the water so you know how to escape a deadly rip…
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Don’t Get Sucked In By The Rip This Summer
On average 21 people drown each year in rip currents on Australian surf beaches. This value exceeds the long-term annual average of fatalities caused by bush fires, floods, cyclones and sharks combined. So how can beachgoers keep safe this summer?
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Officials Don’t Know Why The Olympic Diving Pool Turned Green (Also: Gross)
As the women’s synchronised diving teams took to the pool in Rio de Janeiro today, they were greeted by a strange sight. The diving pool had turned green overnight, while the neighbouring water polo pool remained a crystal clear blue. This confused the Olympic organisers, media, and the internet profusely. Long story short: It’s most…
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In Tight Spaces, Sperm Slither Rather Than Shimmy
Sperm usually swim in a 3D shimmy: a spiral wave travels down the whippy flagellum and rotates its head in a circle around its long axis. That “bulk swimming” is fine most of the time, but it isn’t a great option when a sperm cell gets close to a surface. That’s when they switch to…