Toxic plant on Ming dynasty-era surgical tools may be world’s oldest chemical evidence of topical anesthetic

A year after America’s first spacewalk, Gemini IX-A Eugene Cernan stepped outside his spacecraft for an ambitious extravehicular activity scheduled for 167 minutes. The challenges he faced led NASA to reevaluate plans, equipment, and training for future spacewalks.

Lesser black-backed gulls from the colony on the Dutch island of Neeltje Jans appear to avoid the wind farm off the Zeeland coast, with the exception of some males. NIOZ ecologist Rosemarie Kentie and her colleagues suspected the gulls were…