By Fascinating — Feb 01, 2025 The spectacular Iguazu Falls between Argentina and Brazil stretch 2.7 km (1.7 mi) along the Iguazu River, making them the largest waterfall system in the world. [📹 kevnbourassa]
Fascinating video showing glutamate lighting up as it’s released in synapses, visualizing the neurotransmitters of the brain, made possible with the fluorescent indicator protein iGluSnFR3. [📹 Allen Institute for Neural
Timelapse of astronaut Chris Cassidy working outside the International Space Station as it orbits the Earth.…
Eight months after the Chernobyl disaster, workers discovered a radioactive mass known as the "Elephant's Foot," emitting approximately 10,000 roentgens per hour—while a dose