Eggs evolved over 300 million years ago and now come in all kinds of shapes, from Tic Tacs to teardrops to pingpong balls. After studying some 50,000 eggs, a team of researchers thinks it knows why.
The country's changing attitudes are highlighted by the annual dog meat festival in Yulin City. The government issued a ban on dog meat sale, then promptly reversed it.
The scientists who developed the anti-reflective film were inspired by tiny, light-trapping structures on moth eyes that help the insects avoid predators.
Rodents, primates and bats likely carry hundreds of thousands of viruses we haven't yet identified. But how do you know which ones might infect humans?
Thanks to globalization and climate change, the pest has spread to 60 countries, attacking coconut, date and oil palm plantations, and costing millions of dollars in damages.
Twenty years. That's how long two grad students, Sonia Vallabh and Eric Minikel, think they have before a deadly disease envelops Sonia's brain. The Massachusetts couple is now racing to find a cure.
Western lawmakers and members of Congress are pushing to change the Endangered Species Act. They want states to have more control over which animals and plants the act protects.
Humpback whales have been showing up in the waters around New York City. Lulu Garcia-Navarro talks with founder of Gotham Whales Paul Sieswerda, who says it's because of environmental efforts.
Donkeys, unfairly, get a bum rap. And global demand for their hides is growing. But a foremost donkey defender, who adopts abused and unwanted donkeys, says the smart, playful animals make great pets.