The Lost Colony of Roanoke loses its portrait of Queen Elizabeth I; Drone video captures killer whales eating a shark alive; A researcher discovered how cavemen cleaned their teeth. It will make you want to brush yours.; NASA’s far-flung space robots keep findings signs of water; Watch: Mysterious ghost shark captured on camera for the first time; A massive underwater volcanic eruption is captured in real time; Scientists prepare to fight for their work during ‘the Trumpocene’; Obama official urges scientists to ‘fight disinformation’ under Trump; Buzz Aldrin nearly died at the South Pole. Why he insists ‘it was worth it, really.’;   Sarah Kaplan on Science   In breakthrough experiment, scientists shine a light on antimatter Researchers at CERN are using a laser to probe some of the weirdest and most elusive stuff in the universe. By Sarah Kaplan  •  Read more » The Lost Colony of Roanoke loses its portrait of Queen Elizabeth I Scientific analysis showed that the painting is from the 1590s. It is one of the few portraits to show the monarch in her later years. By Andrew Lawler  •  Read more »   Drone video captures killer whales eating a shark alive The rare sighting occurred in California's Monterey Bay. By Amy B Wang  •  Read more »   A researcher discovered how cavemen cleaned their teeth. It will make you want to brush yours. Researchers have long had theories about how early humans cleaned their teeth, but biological evidence is hard to come by. By Cleve R. Wootson Jr.  •  Read more »   ADVERTISEMENT   NASA’s far-flung space robots keep findings signs of water New research from NASA suggests that liquid water once existed on Mars and the dwarf planet Ceres — important clues in the search for past or present life. By Sarah Kaplan  •  Read more »   Watch: Mysterious ghost shark captured on camera for the first time The pointy-nosed blue chimaera was filmed alive for the first time off the coasts of Hawaii and central California. By Amy B Wang  •  Read more »   A massive underwater volcanic eruption is captured in real time Scientists knew months in advance that the volcano was going to blow, and they got the best measurements yet of an eruption. By Sarah Kaplan  •  Read more »   ADVERTISEMENT   Scientists prepare to fight for their work during ‘the Trumpocene’ Protests, guides to handling political intimidation and calls for government researchers to 'fight disinformation' are now on the agenda at the world's largest Earth science conference. By Sarah Kaplan  •  Read more »   Obama official urges scientists to ‘fight disinformation’ under Trump "I encourage people to speak up and to talk about the importance of scientific integrity, and if they see that being undermined to say something about it,” Interior Secretary Sally Jewell said. By Sarah Kaplan  •  Read more »   Buzz Aldrin nearly died at the South Pole. Why he insists ‘it was worth it, really.’ Aldrin made his comments in his first interview since recovering in a New Zealand hospital. By Peter Holley  •  Read more »   Recommended for you   The Switch The day's top stories on the tech industry and tech in our lives. Sign Up »         Share Speaking of Science:       Twitter      Facebook Trouble reading? Click here to view in your browser. You received this email because you signed up for Speaking of Science. For additional free newsletters or to manage your newsletters, click here. We respect your privacy. If you believe that this email has been sent to you in error or you no longer wish to receive email from The Washington Post, click here. Contact us for help. ©2016 The Washington Post, 1301 K St NW, Washington DC 20071