Neanderthal and early modern human stone tool culture co-existed for over 100,000 years
The Acheulean was estimated to have died out around 200,000 years ago but the new findings suggest it may have persisted for much longer, creating over 100,000 years of overlap with more advanced technologies produced by Neanderthals and early modern.....»»
Hades II’s new combat options enhance an already great game
New magic system shines in the game's early "Technical Test" period. Enlarge / New gods, same old drama. (credit: Supergiant) Here at Ars, we were obviously excited by the late 2022 announcement of Hades II as a follow-u.....»»
Wear OS’s big comeback continues; might hit half of Apple Watch sales
Counterpoint Research projects 27 percent market share this year to Apple's 49. Enlarge / The Samsung Watch 6 classic. (credit: Samsung) Wear OS was nearly dead a few years ago but is now on a remarkable comeback traject.....»»
For the ancient Maya, cracked mirrors were a path to the world beyond
Some people fear that breaking a mirror can lead to seven years of misfortune. The history of this superstition may go back to the ancient Greeks and Romans, who ascribed mysterious powers to reflected images......»»
The COVID-19 pandemic changed our patterns and behaviors, which in turn affected wildlife
The Earth now supports over eight billion people who collectively have transformed three-quarters of the planet's land surface for food, energy, shelter and other aspects of the human enterprise......»»
International team cracks genomic code for earliest forms of terrestrial plant life
Plant life first emerged on land about 550 million years ago, and an international research team co-led by University of Nebraska–Lincoln computational biologist Yanbin Yin has cracked the genomic code of its humble beginnings, which made possible.....»»
Fluidic telescope (FLUTE): Enabling the next generation of large space observatories
The future of space-based UV/optical/IR astronomy requires ever larger telescopes. The highest priority astrophysics targets, including Earth-like exoplanets, first generation stars, and early galaxies, are all extremely faint, which presents an ongo.....»»
Systematic testing of natural oils on in vitro skin models
For some years now, the trend in the cosmetics and skincare sector has been toward transparency and natural, sustainable ingredients. A growing number of consumers are rejecting cosmetics that contain petroleum-derived mineral oils and silicone oils......»»
Bioreactor processes and cryotechnologies improve active ingredient tests using human cell cultures
Many new drug candidates end up failing because they cause serious side effects in clinical trials even though lab tests involving cell cultures have been successful. This is a common occurrence if the cells used come from animal tissue, for example......»»
Investigation reveals varied impact of preschool programs on long-term school success
Early education programs are widely believed to be effective public investments for helping children succeed in school and for reducing income- and race-based achievement gaps. However, a new study conducted by a team of investigators from Teachers C.....»»
Deeper understanding of malaria parasite sexual development unlocks opportunities to block disease spread
For the first time, the developmental stages of the deadliest human malaria parasite have been mapped in high resolution, allowing researchers to understand this ever-adapting adversary in more detail than previously possible......»»
Artificial intelligence enhances monitoring of threatened marbled murrelet
Artificial intelligence analysis of data gathered by acoustic recording devices is a promising new tool for monitoring the marbled murrelet and other secretive, hard-to-study species, research by Oregon State University and the U.S. Forest Service ha.....»»
Passkey support comes to Word, Excel, and more for all consumer Microsoft accounts
We’re getting closer every day to a password-free future. Less than two years after Apple launched passkeys with iOS 16 and macOS 13, more and more companies continue adding support. Following in the footsteps of Amazon and Nintendo, among others,.....»»
Maya used hallucinogenic plants in “ensouling” rituals for their ball courts
eDNA analysis found traces of xtabentum, as well as lancewood, chili peppers, and jool. Enlarge / A decorative ring made from carved stone is embedded in the wall of a ballcourt in the ancient Maya city of Chichen Itza. (credit:.....»»
A look at the past suggests atmospheric rivers inundating California could get worse
A team of paleoclimatologists with the U.S. Geological Survey, NASA Ames Research Park, has found that atmospheric rivers in the past have dumped far more rain on California than those that have occurred over the past two years......»»
Weak magnetic field may have supported diversification of life on Earth
An unusual reduction in the strength of Earth's magnetic field between 591 and 565 million years ago coincided with a significant increase in the oxygen levels in the atmosphere and oceans, according to a paper published in Communications Earth & Env.....»»
Researchers unveil single-shot and complete polarization imaging system using metasurfaces
Think of all the information we get based on how an object interacts with wavelengths of light—aka color. Color can tell us if food is safe to eat or if a piece of metal is hot. Color is an important diagnostic tool in medicine, helping practitione.....»»
Aggressive? Homophobic? Stoic? Here"s what thousands of Australian men told us about modern masculinity
Most young adult men in Australia reject traditional ideas of masculinity that endorse aggression, stoicism and homophobia. Nonetheless, the ongoing influence of those ideas continues to harm men and the people around them. These are some of the find.....»»
Great white sharks off South Africa"s coast are protected by law, but not in practice—this needs to change
In less than eight years, white sharks in South Africa have all but disappeared from their historical hotspots in False Bay and Gansbaai, on the Western Cape coast. These areas were once known as the "white shark capital of the world" and were home t.....»»
Two years later, over-the-counter hearing aids are still finding their groove
Americans have been able to buy over-the-counter hearing aids for almost two years. Have they made a difference? We ask the experts......»»
Historical data suggest hard knocks to human societies build long-term resilience
Frequent disturbances to human societies boost the ability of populations to resist and recover from subsequent downturns, a Nature paper indicates. The study, which analyzes 30,000 years of human history, has implications for future population growt.....»»