Share this on WhatsApp This is Scientific American’s Science Talk, posted on June 27, 2020. I’m Steve Mirsky. On this episode: WILLIAMS CLIP That’s Florence Wiliams. She’s a journalist and the author of the 2017 book The Nature Fix: Why Nature Makes Us Happier, Healthier and More Creative. America’s professor and author emeritus of nature, […]
Share this on WhatsApp NASA’s Perseverance Mars rover has some rocks stuck in its throat. Perseverance drilled and collected its sixth Red Planet rock sample late last month, but the car-sized rover hasn’t been able to seal up the titanium tube containing the material yet. “I recently captured my sixth rock core and have encountered a […]
Share this on WhatsApp The human eye is a sophisticated instrument: images enter through a curved lens at the front of the sphere and pass through its gooey, vitreous liquid before reaching the light-sensitive retina—which relays the signal to the optic nerve that carries the picture to the brain. Engineers have attempted to replicate this […]