In a study of 6,455 semen samples (yup), scientists at Israel's Ben-Gurion University of the Negev found that human sperm were most atheletic — and were found in the highest concentrations — in winter. There was a marked decrease in sperm motility and numbers in spring, summer, and fall. It's an interesting and logical addendum to the fact that sperm counts and motility decrease in men who subject their testicles to warm conditions; in hot tubs, say, or a pair of overly tight underpants.
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1:48 pm Thu
Mar 21, 2013
Some like it cold
This rebar-tying video is weirdly calming
I’m not an engineer, but I can’t stop watching this hypnotic and oddly satisfying video of tying rebar.
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A "Google Street View" for the natural sounds of remote Australia
The Australian Acoustic Observatory project, described by its creators as a kind of “Google Street View of sound,” is a new acoustic sensor network of hundreds of microphones and digital audio recorders distributed across multiple remote ecosystems on the continent. The solar-powered system will record animal and natural sounds continuously for 5 years. According to […]
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The Life Cycle podcast talks transhumanism with Kernel CEO Bryan Johnson and "To Be a Machine" author Mark O'Connell
Is your brain a machine? Are your thoughts and feelings just malware of the mind? (And what “really” is a machine, anyway?) John and Eva referee the transhumanist fight of the century. In the blue corner, we have Eva meeting founder and Bryan Johnson, CEO of Kernel, straight from his office in LA. And in […]
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15 gift ideas under $100 for everyone on your list
Every Christmas list has names you dread buying for. But hold up: Before you wave the white flag and get them yet another gift card, scroll down a few. We’ve got 15 items that run the gamut from stylish old-school lighters to cutting-edge audio tech, enough variety to please any Scrooge. And the best part? […]
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Become a bona fide data professional with this SQL training
We’re living in the age of Big Data. As the driving force behind everything from Google’s famed algorithms to self-driving cars, massive sets of complex data can be found at the heart of some of today’s most exciting and important technologies. The Ultimate SQL Bootcamp Certification Bundle will give you the skills and tools you […]
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14 gift deals to jump on before Green Monday arrives
So you missed Black Friday and Cyber Monday? Well, there’s one more holiday milestone coming up: Green Monday, on Dec. 16. It’s one of the busiest online shopping days for the simple reason that it will be 10 days before Christmas, which is when last-minute shoppers start to stress. Our advice? Don’t wait for that […]
