Tag: science news

Antimatter observed to be falling down under influence of gravity

September 28, 2023 admin

This handout illustration released by U.S. National Science Foundation on September 27, 2023, shows an anti-matter gravity experiment ALPHA-g at an undisclosed location. For the first time, scientists have observed antimatter particles — the mysteriously absent twins of the visible matter all around us — falling downwards due to the effect of gravity, Europe’s physics…

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Three astronauts return to Earth after a year in space. NASA’s Frank Rubio sets US space record

September 28, 2023 admin

A NASA astronaut and two Russian cosmonauts returned to Earth on Wednesday after being stuck in space for just over a year. | Photo Credit: Reuters A NASA astronaut and two Russian cosmonauts returned to Earth on Wednesday after being stuck in space for just over a year. American Frank Rubio set a record for…

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If anxiety is in my brain, why is my heart pounding? A psychiatrist explains the neuroscience and physiology of fear

September 26, 2023 admin

Heart in your throat. Butterflies in your stomach. Bad gut feeling. These are all phrases many people use to describe fear and anxiety. You have likely felt anxiety inside your chest or stomach, and your brain usually doesn’t hurt when you’re scared. Many cultures tie cowardice and bravery more to the heart or the guts than to the…

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What is geospatial intelligence? A geographer explains the powerful melding of maps and data

September 25, 2023 admin

Geospatial intelligence has offered valuable insights to help governments and organizations protect communities. | Photo Credit: AP With record-breaking temperatures across the South, smoke from Canadian wildfires across the North, historic flooding in the Northeast and a powerful hurricane in the Southeast, the summer of 2023 has presented a range of threats to the safety of the majority of Americans. The good news, through all…

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Galactic tides: Pushing and pulling the heavens

September 25, 2023 admin

The Milky Way. | Photo Credit: Getty Images/iStockphoto Like the earth’s oceans at their shores, the universe’s galaxies also experience tides, but on a much larger scale. Galactic tides are caused by gravitational forces within a galaxy, arising in the interactions between celestial objects like stars and gas clouds. These tidal forces influence various aspects…

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Science This Week | NASA’s OSIRIS-REx to bring back asteroid fragments, no signals from Vikram and Pragyan and more

September 24, 2023 admin

The United Launch Alliance Atlas V rocket carrying NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft lifts off from Space Launch Complex 41 at Cape Canaveral Air Force Station, Florida, U.S. | Photo Credit: Reuters From finding traces of carbon dioxide and methane on an alien planet to discovering tiny jellyfish that can…

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Zambia find shows humans have built with wood for 476,000 years

September 24, 2023 admin

Researchers uncover wooden artefacts on the banks of the Kalambo River in Zambia, near where the oldest-known use of wood in construction was found, in this handout image taken in July 2019. | Photo Credit: Reuters Along the banks of the Kalambo River in Zambia near Africa’s second-highest waterfall, archaeologists have excavated two logs of…

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Rising number of ‘predatory’ academic journals undermines research and public trust in scholarship

September 23, 2023 admin

Taxpayers fund a lot of university research in the U.S., and these findings published in scholarly journals often produce major breakthroughs in medicine, vehicle safety, food safety, criminal justice, human rights and other topics that benefit the public at large. The bar for publishing in a scholarly journal is often high. Independent experts diligently review and comment…

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Most pink diamonds were birthed by a disintegrating supercontinent. Where can we find more?

September 23, 2023 admin

There is nothing quite like a diamond. For many they are the ultimate “I love you” gift, and jewellers will tell you the ultra-hard stones have unmatched “fire” and “brilliance”. The sentimental and aesthetic value of the gems is matched by their price, which can run to tens of thousand dollars per carat – and…

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Biologists in slow and steady race to help North America’s largest and rarest tortoise species

September 23, 2023 admin

Gertie, an endangered Bolson tortoise, is shown to a group of state and federal wildlife officials during a trip to Ted Turner’s Armendaris Ranch in Engle, N.M., on Friday, Sept. 22, 2023. The Turner Endangered Species Fund has been working to build a population of the tortoises for more than two decades in hopes of…

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