Leaves of the stevia plant are used to make a sugar substitute. Credit: Stevia plant and powder via Shutterstock Stevia is perhaps unique among food ingredients because it’s most valued for what it doesn’t do. It doesn’t add calories. Unlike other sugar substitutes, stevia is derived from a plant. The stevia plant […]

DAVID PAUL MORRIS/BLOOMBERG/GETTY IMAGES “Who are we?” That impossible question opened the 2015 public letterannouncing a well-heeled SETI project called Breakthrough Listen. Dozens of people—scientists, astronauts, and also a producer, a chess champ, and a soprano—signed the note, which kicked off a $100 million effort by Russian billionaire Yuri Milner to […]

President John F. Kennedy gives his historic message to Congress on May 25, 1961, about landing a man on the moon. Credit: NASA This article was originally published at The Conversation. The publication contributed the article to Live Science’s Expert Voices: Op-Ed & Insights. It’s 2017, and conspiracy theorists around the world are […]

Room to spare Pixabay Houston is home to over two million people, some 30,000 of which will be left homeless in the aftermath of Hurricane Harvey. It’s also home to multiple major research institutions, many of which took heavy hits from the storm. Houston scientists study everything from cardiovascular disease to the movements of the planets, […]