“The video is just under two and a half minutes long. Immediately after, he lets a taipan from Papua New Guinea bite his right arm. ‘Thanks for watching,’ he calmly tells the camera, his left arm bleeding, and then exits. Over nearly 18 years, the man, Tim Friede, 57, injected himself with more than 650 carefully calibrated, escalating doses of venom to build his immunity to 16 deadly snake species. In Mr. Friede’s blood, scientists say they have identified antibodies that are capable of neutralizing the venom of multiple snake species, a step toward creating a universal antivenom, they reported on Friday in the journal Cell.”From New York Times.