Astronomers Join Forces to Push Back Against Satellite ‘Pollution’ Ruining The Skies

The number of active satellites in the night sky has more than doubled since 2019 – from around 2,200 to 5,000. That is mostly due to Starlink, a SpaceX project aimed at providing internet anywhere in the world through ‘mega-constellations’ of satellites.   Since it began, Starlink has launched over 2,000 satellites. Unfortunately, the thousands of … Read more

DNA Shed by Deep-Sea Organisms Reveals a Dark Abyss Teeming With Tiny Life Forms

Sweeping the ocean floor at hundreds of points throughout the world, researchers have revealed an astonishing diversity of microscopic life thriving in the deepest and darkest parts of our planet.   The sediment collected at each spot was analyzed for environmental DNA (eDNA), which marine animals shed as they go about their lives. While sea … Read more

How the World Really Works review: The tech that underpins society

From how food is grown to how we generate power, Vaclav Smil’s new book outlines the basic technologies that keep society going and commands us to know them better Humans 2 February 2022 By Simon Ings IN SUCH a complex world, no one can be expected to understand everything. But for energy expert Vaclav Smil, … Read more

Air pollution: Roadside emissions sensors help Hong Kong clean its air in world first

Carbon monoxide and nitrogen oxide pollution have fallen sharply in Hong Kong since it introduced a world-first scheme to detect and repair vehicles with the highest emissions Technology 2 February 2022 By Alice Klein A busy road in Hong Kong picturelibrary / Alamy Stock Photo Hong Kong has improved its air quality by using roadside … Read more

Almost No Coral Reefs in The World Will Be Safe at 1.5°C Warming, Scientists Warn

Coral reefs have long been regarded as one of the earliest and most significant ecological casualties of global warming. In new research published in the journal PLOS Climate, we found that the future of these tropical ecosystems – thought to harbor more species than any other – is probably worse than anticipated.   Climate change … Read more

Trees: There may be 9200 more species in the world than we thought

A new global estimate of tree diversity suggests there are thousands of undiscovered species, but many will be rare and vulnerable to extinction Environment 31 January 2022 By Adam Vaughan Amazon Rainforest in Ecuador, South America robertharding / Alamy Earth is home to many more types of tree than previously thought, according to researchers who … Read more

Orcas Documented Killing Blue Whales And Eating Their Tongues in a World First

For the first time, a pack of orcas – also known as killer whales – have been observed hunting and killing blue whales, the largest animal on the planet. According to a report published in Marine Mammal Science, the scientific community has long debated if orcas can hunt the massive blue whales.    But this question … Read more

Our Brains Keep Us 15 Seconds ‘in The Past’ to Help Us See a Stable World, Says Study

Our eyes are continuously bombarded by an enormous amount of visual information – millions of shapes, colors, and ever-changing motion all around us. For the brain, this is no easy feat.   On the one hand, the visual world alters continuously because of changes in light, viewpoint, and other factors. On the other, our visual … Read more

SpaceX snags $102 million contract to rocket military supplies and humanitarian aid around the world: report

A visualization of a “rocket cargo” vehicle launch from the Air Force Research Laboratory.  (Image credit: Air Force Research Laboratory) SpaceX has won a contract, worth over $102 million, to transport military supplies and humanitarian aid around the world using a rocket. The U.S. Air Force awarded SpaceX the contract on Jan. 14. It’s a … Read more

U.S. science no longer leads the world. Here’s how top advisers say the nation should respond | Science

A new data-rich report by the National Science Foundation (NSF) confirms China has overtaken the United States as the world’s leader in several key scientific metrics, including the overall number of papers published and patents awarded. U.S. scientists also have serious competition from foreign researchers in certain fields, it finds. That loss of hegemony raises … Read more