Grist List

Climate & Energy

San Diego is seeing record numbers of weird black jellyfish

This black jellyfish (which looks a no-more-comforting blood red in this lighting, but black in the open water) can grow to the size of a trash can lid, and its sting packs a serious wallop. Normally these guys are a rare sight around the waters of San Diego; before this decade, they were spotted only about five times in 100 years. Since then, they’ve been seen an additional five times — i.e., still infrequently, but 10 times more often.

Politics

Activist group sends Obama a message by carving it into a cornfield

Hot tip from an ex-resident of D.C. to all you activists out there: If you want to get the president’s attention, standing outside the White House with some signs and bullhorns is not going to do it. Everyone does that. You have to get creative. Like these guys, who cut their message into a field of crops, in hopes that the president would see it from Air Force One as he flies into Grand Junction, Colo., on a visit:

Cities

In Brooklyn, even the factories are artisanal

Manufacturing is back in Brooklyn! But only in a Renaissance Florence sort of way, where skilled artisans produce craft-objects for wealthy patrons with finicky desires. The New York Times reports that there are, against all odds, still factories in Brooklyn, although they’ve morphed from behemoth plants stamping out assembly-line goods to smaller shops: This building, at 1205 Manhattan Avenue, has been sliced and diced into several dozen small factories, each with a niche clientele. One forges exhibits out of wood and metal for the city’s museums. Another makes props and models for advertisers of products like Absolut Vodka to use …