38 articles from SUNDAY 24.9.2023
NASA’s First Asteroid Sample Has Landed, Now Secure in Clean Room
Portal origin URL: NASA’s First Asteroid Sample Has Landed, Now Secure in Clean RoomPortal origin nid: 489167Published: Sunday, September 24, 2023 - 17:00Featured (stick to top of list): noPortal text teaser: After years of anticipation and hard work by NASA’s OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification and Security – Regolith Explorer)...
Scientists say there's still much to learn about how wildfires impact wild animals
Adam Ford, Canada research chair in wildlife restoration ecology based at the University of B.C.'s Okanagan campus, said there are many unknowns and variables when it comes to understanding the impacts of wildfire on...
NASA's first asteroid samples land on Earth after release from spacecraft
NASA's first asteroid samples fetched from deep space parachuted into the Utah desert Sunday to cap a seven-year journey.
This simple log structure may be the oldest example of early humans building with wood
Researchers have uncovered a simple structure from the Stone Age that may be the oldest evidence yet of early humans building with wood.
Jean Combes obituary
Every year from the age of 20 my mother, Jean Combes, who has died aged 96, recorded the time of year that four tree species – oak, ash, horse chestnut and lime – came into leaf. What started in 1947 as a personal project, driven by a simple love of nature, turned out to demonstrate with textbook clarity that the long-term trend in Britain has been for spring to start much earlier than it used...
Livestock farmers from Sweden to Greece test paths to greener agriculture
Livestock farmers in Germany, Italy, Sweden and the UK are trying a new method to produce milk and meat: feeding their cows mainly or only grass.
Invasive alien species are a serious threat to the planet: Four key messages for Africa
Climate change has negatively—and irreversibly, in some cases—affected ecosystems around the globe. Sadly, though, it is not the only phenomenon that's altering our natural world.
NASA delivers bounty of asteroid samples to Earth
Most of the small asteroids that enter Earth’s atmosphere end their plunge in screaming, fiery violence. But today, after detaching from NASA’s OSIRIS-REx spacecraft, a capsule carrying asteroid samples descended gently by parachute before touching down in the Utah desert. The cupful of pebbles and grit it delivered—the culmination of 7 years of effort and $1 billion of expense—...
Americans do talk about peace, just not the same way people do in other countries
Americans don't talk much about peace. But it turns out they care about it a lot—they just don't talk about it the way people who have experienced war or civil conflict do.
Carbon removal: Why ambitious 'no nonsense' plans are vital to limit global heating to 2℃
2023 is proving to be a year of climate and weather extremes. Record-busting global air and ocean temperatures, unprecedented low levels of Antarctic sea ice, and devastating fires and floods have been reported across the world.
How NASA Captured a Piece of the Solar System’s Past From an Ancient Asteroid
Infrared sensors on the ground detected the heat signature of the OSIRIS-REx spacecraft’s sample-return capsule when it slammed into the atmosphere at more than 45,000 km/h (27,650 mph), at 8:42 a.m. MDT today. The 46 kg (101 lbs.) capsule was dropped off by its much larger OSIRIS-REx mother ship as that spacecraft went whizzing briefly by Earth. The capsule hit the air off the coast...
New Zealand mud snail makes its way to Lake Tahoe. And it is not welcome
In the vastness of the second-deepest lake in the United States, a tiny snail is posing a threat of "concerning" proportions. The invasive New Zealand mud snail has been discovered in Lake Tahoe.
Bennu asteroid sample from Nasa’s Osiris-Rex mission set to enter Earth – live
Pieces of 4.6bn-year-old space rock ‘act as a time capsule from the earliest days of our solar system’, Nasa saysWhile the samples from the Osiris Rex capsule will allow scientists to probe the makeup of asteroid Bennu, they will also be valuable for other reasons.Among them, scientists hope to be able to compare their analyses of the Bennu samples with much smaller samples previously...
Nasa’s Osiris-Rex capsule with Bennu asteroid samples hurtles towards Earth
Capsule expected to land in the Utah desert at 10.55am ET and conclude a seven-year trek through the starsA space capsule carrying Nasa’s first asteroid samples on Sunday began streaking toward a touchdown in the Utah desert to conclude a seven-year trek through the stars.The US space agency’s Osiris-Rex spacecraft released the capsule – containing rubble and dust samples from the near-Earth...
Most species of 'world's largest flower' risk extinction: study
Most species of the famously large Rafflesia flower, which has long captured the imagination with its enormous speckled red petals, are now at risk of extinction, new research warned Wednesday.
Net zero: Rishi Sunak 'destroying' UK green credibility, says Yanis Varoufakis
Laura Kuenssberg on Sunday guest Yanis Varoufakis attacked the PM's 'incompetence and cynicism'.
NASA spacecraft releases capsule with material plucked from asteroid
A NASA spacecraft passed by the Earth on Sunday and released its capsule containing rare fragments from the asteroid Bennu, ending a journey that began seven years...