Livescience Caspian Sea: Largest Inland Body of Water 2017-02-24T17:49:00.000000Z The Caspian Sea is the Earth’s largest inland body of water. But is it a sea or a lake? The definition has international implications. 'Love Hormone' May Help Dads Bond with Toddlers 2017-02-24T17:42:00.000000Z Dads who looked at a picture of their kids, showed more activity in certain parts of their brains after a boost of oxytocin via a nasal spray. Just Like Van Gogh: Prehistoric Artists Used Pointillist Technique 2017-02-24T17:42:00.000000Z The artistic techniques used by Vincent van Gogh and Georges Seurat were considered groundbreaking in their day, but a recent discovery in southwestern France shows that people were using similar artistic methods about 38,000 years ago, a new study finds. Prehistoric Van Goghs: Artists Used Pointillism 38,000 Years Ago | Video 2017-02-24T17:37:00.000000Z Nineteenth-century artists, such as Georges Seurat and Vincent van Gogh, weren't the first to use pointillism, according to a discovery of 38,000-year-old decorated limestone tablets in France. Octopus vs. Crab Showdown Ends with a Twist in Startling Video 2017-02-24T17:17:00.000000Z Surprise! Guess who survives this ocean encounter? Why Don't Ticks Die of Lyme Disease? 2017-02-24T16:16:00.000000Z A mystery that has long been bugging us may be solved. US Drug Overdose Deaths Continue to Rise: Here Are the Numbers to Know 2017-02-24T16:15:00.000000Z The rate of drug overdose deaths in the United States continues to rise, with a particularly sharp spike in heroin-related deaths in recent years. Battle of the Sexes: Who Sweats More? 2017-02-24T16:00:00.000000Z Do men sweat more than women? Turns out, body size and shape is a better indicator of sweat than sex. A Killer Spin: Table Tennis Gets 'First' Robotic Coach 2017-02-24T15:15:00.000000Z The record-breaking robot teaches humans how to play table tennis. Roller Coasters Go Digital with VR-Enhanced Rides 2017-02-24T15:04:00.000000Z Hold onto your VR headset for this roller-coaster ride.