Ancient Crocodile Ancestor Walked on Two Legs, New Study Says 

A new study based on fossilized footprints suggests a prehistoric relative of modern crocodiles walked on two hind legs. The study, published Thursday in the journal Scientific Reports, describes how ancient fossilized footprints discovered in South Korea had originally been thought to belong to a pterosaur — a flying dinosaur — that had been walking on two …

The Doctor Will (Not) See You Now: Deepfakes at the Therapist’s Office 

Deepfakes, which use artificial intelligence and machine learning to generate highly realistic but phony videos, have been exploited for both entertainment and unethical purposes. Now one startup is showing how the face-swapping technology can be a practical tool for improving mental health and therapy practices.  VOA’s Tina Trinh explains.Camera: Tina Trinh …