Your weekly dose of some of the world’s latest and greatest science news, technological advancements, absurd curiosities, and groundbreaking research in everything from ancient history to the future of astrophysics. Join Lauren Vogelbaum and the HowStuffWorks team as they explore humanity’s newest discoveries in HowStuffWorks NOW.

Venus May Have Been Habitable, Chemtrail Theories Are Bunk, and Dogs Love Us More Than Food

August 22, 2016•10 min

Just 715 million years ago, Venus might have supported life as we know it. According to atmospheric chemistry experts, fringe theories about chemtrails don’t add up. Plus, most dogs prefer their owners’ praise to food rewards.