South Africa"s desert-like interior may have been more inviting to our human ancestors
Lining the Cape of South Africa and its southern coast are long chains of caves that nearly 200,000 years ago were surrounded by a lush landscape and plentiful food......»»
Geologists discover mysterious subduction zone beneath Pacific, reshaping understanding of Earth"s interior
University of Maryland scientists uncovered evidence of an ancient seafloor that sank deep into Earth during the age of dinosaurs, challenging existing theories about Earth's interior structure. Located in the East Pacific Rise (a tectonic plate boun.....»»
Scientists identify structural basis of stitched-together protein complexes that recycle most proteins in cells
Scientists at Sanford Burnham Prebys have developed a clearer picture of how crucial machinery in the human cell's recycling process for obsolete and misshapen proteins—known as proteasomes—are formed......»»
Marine dust identifies 1.5 million year Oldest Ice near South America
Earth's climate has experienced major shifts over its billions of years of history, including numerous periods where ice proliferated across the planet. Today, ice cores can be a valuable resource for understanding these periods of Earth's history as.....»»
Sloth survival under threat due to climate change, study finds
A new PeerJ study has revealed that sloths, the famously slow-moving creatures of Central and South America, may face existential threats due to climate change. The research, conducted by scientists studying the metabolic response of sloths to rising.....»»
Drought reduces Amazon River in Colombia by as much as 90%: report
The Amazon River has seen its levels in Colombia reduced by as much as 90 percent, a government agency said Thursday, as South America faces a severe and widespread drought......»»
The 25 best YouTube videos for kids (September 2024)
Toddlers can prep for bathtime, grade schoolers do themed yoga, and older kids learn about human anatomy in the best YouTube videos for kids......»»
Scientists develop method to control timing of synthetic DNA droplet division
Many cellular functions in the human body are controlled by biological droplets called liquid-liquid phase separation (LLPS) droplets. These droplets, made of soft biological materials, exist inside living cells but are not enclosed by membranes like.....»»
Hummingbirds thrive on an extreme lifestyle. Here’s how.
Nightly suspended animation, sugary diet, backwards flight, and long migrations help. Enlarge / Hummingbirds—like this golden-tailed sapphire from South America—draw the eye with their bright colors and busy, hovering flight......»»
South Florida study finds mosquito populations increased dramatically after Hurricane Irma
More than 600 cellphone towers were inoperable. Close to 900,000 Florida Power and Light customers were left without electricity. Flooding in portions of Coconut Grove and Matheson Hammock Park reached 6 feet. And agricultural damages totaled $245 mi.....»»
Ecuador capital "under attack" from five wildfires
Firefighters battled five blazes on the outskirts of Ecuador's capital Quito on Wednesday, as wildfires continue to rip through South American nations turned into tinderboxes by droughts linked to climate change......»»
Key negotiator Norway sees "positive signals" ahead of plastic talks
In the single week that world leaders convened for high-level UN talks in New York, nearly 100,000 water bottles' worth of microplastics swirled through the city's air, posing known and still unknown risks to human health......»»
New fossil species reshapes understanding of grape family history
Until now, it was believed that plants of the grape family arrived at the European continent less than 23 million years ago. A study on fossil plants draws a new scenario on the dispersal of the ancestors of grape plants and reveals that these specie.....»»
Improving industrial scale lactoferrin production with synthetic biological systems
Lactoferrin (LF), a multifunctional glycoprotein of the transferrin family, is naturally expressed in human and cow milk. The name "LF" is derived from its ability to bind to iron (ferrin, a suffix indicating iron-binding protein)......»»
Vintage museum collection and modern research intersect in century-long bee study
At a tranquil nature reserve in South Michigan, an Agricultural Research Service (ARS) scientist and her collaborators connected olden wild bee sample collections and modern technology to better decode the ecological traits and habits of pollinators,.....»»
Tesla Full Self Driving requires human intervention every 13 miles
It gave pedestrians room but ran red lights and crossed into oncoming traffic. Enlarge / An independent automotive testing company has evaluated Tesla FSD, and it found some concerning results. (credit: PonyWang/Getty Images).....»»
Study shows Mars" early thick atmosphere could be locked up in the planet"s clay surface
Mars wasn't always the cold desert we see today. There's increasing evidence that water once flowed on the red planet's surface, billions of years ago. And if there was water, there must also have been a thick atmosphere to keep that water from freez.....»»
What are "rent tech" platforms? Action on reining in these exploitative tools is long overdue
This week the New South Wales government announced it would introduce legislation that ensures renters are offered convenient, fee-free options to pay their rent......»»
Why do people breach their bail? Research shows it"s not because they"re committing more crimes
In Australia and most countries, everyone is innocent until proven guilty. Because of this, keeping someone in detention before trial comes with serious legal, practical and human-rights consequences, not just for the person accused but also for thei.....»»
Murine study suggests cosmic radiation in outer space may affect long-term cognition
During missions into outer space, galactic cosmic radiation (GCR) will penetrate current spacecraft shielding and thus pose a significant risk to human health......»»
Can the "hard steps" in the evolutionary history of human intelligence be recast with geological thresholds?
What took so long for humans to appear on Earth? The Earth is 4.6 billion years old, and life began about 4 billion years ago, yet humans—the only intelligent, technological species we know of in the universe—have existed only for the last 200,0.....»»