Organic food in landfill produces methane, which is 28 times worse for the atmosphere than carbon dioxide. Source: Getty / Getty Images We've all done it: bought groceries with the best intentions, ...

Rats show kindness, orcas mourn their dead, and monkeys protest injustice. Scientists are learning that other species also have complex emotions. This is Ed. He’s a Canadian sphynx cat. He’s curious, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Zoe Vanderweide Zoe Vanderweide is a writer covering style. For this guide, ...