Female Atlantic right whales lower their voices to a whisper when communicating with their young to prevent “eavesdropping” by predators.

A Trump-supporting PAC hired a woman to attend a town hall in Queens for constituents of Alexandria Ocasio-Cortez and exhort Cortez and her supporters to start eating babies as a way to stop climate change.

Brook trout were discovered in a lake in the Adirondack High Peaks Wilderness that was declared fishless 32 years ago because of acid rain.

If global warming hits the 3˚C (5.4˚F) increase that the UN is currently projecting, nearly two-thirds of birds in North America will go extinct. If humanity can hold warming to the Paris Agreement target of 1.5˚C (2.7˚F), 76 percent of the most vulnerable bird species should survive.

The 2019 Nobel Prize in chemistry goes to John B. Goodenough, M. Stanley Whittingham, and Akira Yoshino for their work on the lithium-ion battery. 

Decades after mining for uranium ended on their reservation, about a quarter of Navajo women have high levels of it in their systems.

Archaeologists unearth a cache of deer legs in a Paleolithic cave site, which may be the earliest documented example of humans storing food to eat later.

PG&E, California’s biggest utility, shuts off electricity to nearly 2 million people out of fear that high winds plus their own poorly maintained infrastructure could cause wildfires.

A mysterious 100-ton oil spill is washing up on beaches in northeastern Brazil.

Chevron, Exxon, BP, and Shell have been behind more than 10 percent of the world’s carbon emissions since 1965. 

Nearly 30 percent of Peru’s glaciers have melted away since 2000.

Almost 400 all-time temperature records were reached across the northern hemisphere last summer. 

A comprehensive study of the wildlife trade concludes that nearly one-fifth of wild mammals, birds, amphibians, and reptiles are bought and sold around the world.

A Phoenix-based company wants to dam the Little Colorado River near the Grand Canyon.

A California man was sentenced to 30 days in jail for shooting P-38, a mountain lion who roamed the Santa Susana Mountains.

The US Fish and Wildlife Service rejected a dozen candidates for Endangered Species Act protection.

Tests of vehicles with automatic emergency braking and pedestrian detection done by AAA found that the cars hit dummy pedestrians crossing the road 60 percent of the time, child-size dummies 89 percent of the time, and 100 percent of the dummies after sunset. 

A study of pedestrians, cyclists, and drivers in Sheffield, England, found that drivers are exposed to the most car exhaust on their commute, while cyclists encounter the least.

Six wild elephants fell over a waterfall in Thailand and died after a three-year-old elephant in the herd was swept away by the river and the others tried to save it.

Antibiotic resistance in livestock has nearly tripled since the year 2000.

A study of samples taken from Australian sewers found that wastewater from wealthy neighborhoods had higher trace amounts of vitamins, citrus, and fiber, while samples of poorer ones had higher levels of pain relievers, antidepressants, and blood pressure medications.

Painting cattle with zebra-like stripes discourages flies from biting them.

An invasive fish species that can breathe air and survive on land has been found in Georgia for the first time. Officials are warning anyone who comes into contact with one to kill it immediately.

Saturn (not Jupiter) has the most moons of any planet in our solar system.

After several years of decline, transit use is on the rise again in North American cities. 

Holly is the fattest bear, by popular vote.