CANADA

In the famed Burgess Shale rock formation, paleontologists discovered hundreds of fossils from a horseshoe crab–shaped, prehistoric predator that lived in the ocean 506 million years ago. It measured up to a foot long.

GERMANY

A vengeful crowd attacked two intoxicated German men who killed a western capercaillie they said attacked them. The bird is endangered in Germany; species populations have shrunk because of habitat loss and stress from increased human contact.

CAMEROON AND EQUATORIAL GUINEA

Scientists found that Goliath frogs, which are Earth's largest living frogs and can be longer than a football, construct protected ponds for their young by pushing heavy rocks across streams. They live only in this region.

TANZANIA

Marine biologists discovered a colorful fish species, dubbed the vibranium fairy wrasse, during a biodiversity assessment of largely unstudied deep reefs off Zanzibar's coast.

COLOMBIA

Scientists confirmed a destructive fungus targeting banana plants has arrived in the country. No treatment is available, so officials put potentially infected crops under quarantine to stop its spread.

MEXICO

Researchers have rationed electricity and cut temporary employees' jobs after Mexico's president lowered funding for federal institutions, including those supported by the National Council of Science and Technology, by 30 to 50 percent in certain budget items.