Rare link between coronavirus vaccines and Long Covid–like illness starts to gain acceptance

Gravitational lensing has been used for the first time to detect and measure an inactive black hole. The door is now open to study the largest black holes in the universe. "Gravitational lensing events are rare, but are most prevalent in the most massive galaxies, that host the largest black holes."

Rare octopus discovery made 2 miles below the ocean surface - During a three-week expedition, researchers have documented an active octopus nursery. It may be the third known example of a brooding site where huge numbers of the creatures cluster together.

Researchers found a rare octopus nursery off the coast of Costa Rica