Day June 15, 2016

We Finally Know What Causes Volcanic Lightning

Volcanic lightning is one of nature’s most epic displays, but what exactly causes the phenomenon is a longstanding mystery. Now, by studying high-speed footage of electrified volcanic outbursts at Mount Sakurajima, scientists have arrived at an answer—and it points to…

Test-driving LELO’s ‘condom of the future’

I’m not proud of it. As someone who’s at high risk for HIV infection, I have a spotty relationship with safe sex. I came of age in the ’90s, when rappers like Salt-N-Pepa and Lisa "Left Eye" Lopes frequently spit…