First evidence of ancient human occupation found in giant lava tube cave in Saudi Arabia
If you look from above, you can see thousands of stone structures dotting the landscape of the Arabian peninsula. On the ground, you can find a bounty of stone tools and ancient fireplaces scattered along the edges of ancient lakes, as well as rock a.....»»
Q&A: Researcher discusses protecting the health of wildlife ecosystems
The plague is one of the deadliest bacterial infections in human history. An estimated 50 million Europeans died from it in the mid-1300s when it was known as the "Black Death.".....»»
Delhi"s annual air pollution has become a human-made calamity
Delhi's air pollution is so bad that it's sometimes hard to discern anything more than a few meters in front of you. And it is affecting people's health. Breathing is uncomfortable, and one of us (Komali) developed rashes and red eyes on a recent tri.....»»
Isotope analysis reveals mammoth as key food source for ancient Americans
Scientists have uncovered the first direct evidence that ancient Americans relied primarily on mammoth and other large animals for food. Their research sheds new light on both the rapid expansion of humans throughout the Americas and the extinction o.....»»
Archaeological remains in Alaska show humans and dogs bonded 12,000 years ago
"Dog is man's best friend" may be an ancient clichĂ©, but when that friendship began is a longstanding question among scientists. A study led by a University of Arizona researcher is one step closer to an answer to how Indigenous people in the Americ.....»»
Warming oceans are changing marine habitats. A new study explores the impact on thousands of species
Every year, human activities release billions of tons of greenhouse gases into the atmosphere. These gases trap heat from the Sun, making the Earth warmer than it would be without them. Over 90% of the extra heat from greenhouse gases gets absorbed b.....»»
Astronomers close to solving mystery of how universe"s giant galaxies formed
Astronomers say they are close to solving an intergalactic mystery about the creation of the universe's biggest galaxies which has puzzled experts for decades......»»
Assessing the sustainability of the Pacific walrus population over the next 75 years
The Pacific walrus, a critically important resource for Alaska and Chukotka Native communities, is subject to rapid habitat loss associated with climate change and increasing human activity in the Arctic. New research published in The Journal of Wild.....»»
Neanderthals were making hand stencil rock art more than 66,000 years ago, U-series dating suggests
A discovery deep within a cave in Spain has challenged the history of human artistic expression. Researchers have determined that hand stencils in Maltravieso Cave are more than 66,000 years old, suggesting that Neanderthals, not modern humans, were.....»»
Starspot activity of the red giant XX Trianguli indicates non-periodic, chaotic dynamo
In a study published in Nature Communications, researchers from the Leibniz-Institut for Astrophysics Potsdam (AIP) and the HUN-REN Research Centre for Astronomy and Earth Sciences (HUN-REN CSFK) have reconstructed the temporal changes in the distrib.....»»
Excavations uncover evidence for the emergence and rejection of the earliest state institutions in Iraq
Excavations at a 4th millennium BCE settlement in Iraqi Kurdistan have revealed new clues about the origins of the world's earliest governing institutions, suggesting they emerged partly from their ability to provide large-scale meals, potentially as.....»»
Critics, not fans, perpetuate the failed second album myth, study shows
After a debut hit, many bands often find their follow-up album panned: further evidence of the curse of the "sophomore slump," critics say......»»
New study sheds light on when to stand out or fit in
When it comes to job interviews, conventional wisdom often suggests that standing out is key to securing a position—seemingly at odds with the general human tendency to conform. A new study by SFI Complexity Postdoctoral Fellow Katrin Schmelz and h.....»»
Peat-bog fungi produce substances that kill tuberculosis-causing bacteria
An analysis of fungi collected from peat bogs has identified several species that produce substances toxic to the bacterium that causes the human disease tuberculosis. The findings suggest that one promising direction for development of better treatm.....»»
Q&A: What fossils reveal about ancient Australian forests and fire
Australia's forest ecosystems, renowned for their extraordinary diversity of rare plants and animals, also play a vital role in mitigating climate change by absorbing and storing carbon. However, fossils from these ancient forests are reshaping the u.....»»
A survey of hundreds of vacationers confirms this ancient wisdom: The journey matters as much as the destination
Americans spent more than US$850 billion on domestic leisure travel in 2023, a sum that looks likely to rise in future years. Whether it's a weekend getaway to a Taylor Swift concert, a long-anticipated holiday visit with family, or a monthlong tour.....»»
Boomeranging: Why some adults stay closely tied to their parents" home, and how to keep the peace
Picture this: a man in his 40s unpacks his holiday suitcase, only to find an entire rack of lamb and a giant cheese pie carefully tucked in by his mother......»»
Microscopy at the tip of a hair-thin optical fiber: New approach pre-shapes light for unprecedented control
Researchers at the University of Adelaide, as part of an international team, have developed an approach that makes advanced microscopy possible through an optical fiber thinner than a human hair......»»
Mid-Pleistocene climate change may have shaped hominin development and dispersal
A multi-institutional team of evolutionary specialists, climatologists and sociologists has found evidence that climate change during and after the Mid-Pleistocene likely shaped hominin development in parts of what is now Asia......»»
How did human brains get so big? The answer could be in our gut
Brain tissue is among the most energetically costly in the body, and as a result, larger-brained mammals require more energy to support brain growth and maintenance. Exactly which biological changes allowed human ancestors to meet the very high needs.....»»
Saudi Arabia bets on tech to make deserts bloom
Saudi Arabia is investing in green innovation to transform its deserts, but accusations of greenwashing highlight the challenge of turning ambitious projects into climate solutions......»»