World's population could plummet to 6 billion by the end of the century, study suggests

Extremely flat explosion dubbed 'the Cow' defies explanation | T. rex had thin lips and a gummy smile, controversial study suggests | Stressed plants 'scream,' and it sounds like popping bubble wrap Created for {EMAIL} | [Web Version]( March 31, 2023 CONNECT WITH LIVESCIENCE  [Facebook]( [Twitter](  [LIVESCIENCE]( Amazing science every day [SIGN UP]( ⋅ [WEBSITE](  [] Top Science News [] [World's population could plummet to 6 billion by the end of the century, study suggests]( [World's population could plummet to 6 billion by the end of the century, study suggests]( (Richard A Brooks/AFP via Getty Images) Population growth could grind to a halt by 2050, before decreasing to as little as 6 billion humans on Earth in 2100, a new analysis of birth trends has revealed. The forecast is both good and bad news for humanity. Full Story: [Live Science]( (3/30) [] Astronomy & Astrophysics [] [Extremely flat explosion dubbed 'the Cow' defies explanation]( [Extremely flat explosion dubbed 'the Cow' defies explanation]( (Phil Drury, University of Sheffield) A weird cosmic explosion that stunned scientists in 2018 just got even stranger. A new analysis of the polarized light from the first recorded fast blue optical transient explosion, nicknamed "the Cow," revealed that the blast is the most asymmetrical explosion ever seen by astronomers. Full Story: [Live Science]( (3/30) [] Curious Creatures [] [T. rex had thin lips and a gummy smile, controversial study suggests]( [T. rex had thin lips and a gummy smile, controversial study suggests]( (Mark P. Witton) Popular depictions of the superpredator Tyrannosaurus rex snarling to display its gigantic, knifelike teeth are scientifically inaccurate, new research suggests. Theropod dinosaurs — a group of bipedal dinosaurs that included T. rex — may instead have concealed their deadly chompers behind thin lips that kept their teeth hydrated and tough enough to crush bones. Full Story: [Live Science]( (3/30) [] Biology [] [Stressed plants 'scream,' and it sounds like popping bubble wrap]( [Stressed plants 'scream,' and it sounds like popping bubble wrap]( (Ohad Lewin-Epstein) When deprived of water or snipped with scissors, plants emit a flurry of staccato "screams" that are too high-frequency for humans to hear, a study suggests. When lowered into a range that human ears can detect, these stress-induced pops sound like someone furiously tap dancing across a field of bubble wrap. Full Story: [Live Science]( (3/30) [] Your Body [] [The secrets to extreme longevity may be hiding with nuns... and jellyfish]( [The secrets to extreme longevity may be hiding with nuns... and jellyfish]( (Freemixer via Getty Images) Studying centenarians and supercentenarians could help scientists better understand what allows some people to live so long. Is their longevity just luck, or is it due to good genes and other factors? Full Story: [Live Science]( (3/30) [] Daily Quiz [] How old is the world's oldest person? (Find the answer [here]() [Vote]( [118]( [Vote]( [116]( [Vote]( [121]( [Vote]( [111](   [Sign Up]( | [Update Profile]( | [Unsubscribe]( [Privacy Policy]( | [Cookies Policy]( | [Terms and Conditions]( CONTACT US: [FEEDBACK](mailto:livescience@smartbrief.com) | [ADVERTISE]( Future US LLC © Full 7th Floor, 130 West 42nd Street, New York, NY, 10036