Cassiopea xamachana stinging cell balls

Jellyfish can release free-stinging cell balls

When triggered, the jellyfish Cassiopea xamachana releases tiny balls of cells that move on their own. They can sting anything they encounter, even when they are away from the jellyfish.

Three quakes released nearly half a century’s seismic moment

Almost ½

The 2004 Indian Ocean, 1960 Chile, and 1964 Alaska earthquakes together accounted for almost half of the seismic moment released by earthquakes worldwide from 1906 to 2005. The 2004 quake alone accounted for roughly one-eighth.

Prussian expansion cut Poland and Lithuania off from the Baltic

As Prussia grew, it cut Poland and Lithuania off from the Baltic coast and overseas trade, helping make them traditional enemies. Prussia’s fertile land also supported large wheat exports that linked it to the Hanseatic League and its Baltic ports.

Like this? There’s a whole feed of it. Replace empty scrolling with things worth knowing.

Download Hence for free

Cassiopea xamachana stinging cell balls

Jellyfish can release free-stinging cell balls

Keep exploring