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All articles tagged with #science and technology

Bronze Bottle in 2,300-Year-Old Qin Tomb Reveals Ancient Beer
science-and-technology1 day ago

Bronze Bottle in 2,300-Year-Old Qin Tomb Reveals Ancient Beer

A bronze bottle found in tomb M39 near the Shanjiabao cemetery, about 1.5 km from the Great Wall of Qin, preserved residues of a 2,300-year-old beer. Molecular analysis detected malted grains and yeasts, suggesting a fermented beverage used in funerary rituals; the liquid contained more than 2,400 compounds and was thicker than modern beer, akin to a fermented porridge, offering insights into Qin-era fermentation techniques and cereal use.

via CPG Click Petróleo e Gás|
#archaeologists#beer#fermentation
AI in biotech sparks biosecurity debate: can safeguards keep pace?
science-and-technology13 days ago

AI in biotech sparks biosecurity debate: can safeguards keep pace?

AI-based biology tools can design proteins, toxins, and even viruses, prompting debate over safeguards: some researchers say current risk is limited and production requires expertise, while others warn AI could empower bad actors. The discussion spans whether to restrict biological AI or to improve detection and screening of DNA orders; experiments show screening can be bypassed but improvements reduce risk. Policy efforts such as DNA-synthesis screening, guard rails, and international guidelines are evolving as scientists push for responsible AI practices, acknowledging the threat is serious but not inevitable.

via Nature|
#ai#biosecurity#biotechnology
Nano-coating cools roofs and harvests water from the air
science-and-technology15 days ago

Nano-coating cools roofs and harvests water from the air

Australian researchers have developed a nanoengineered cooling paint that uses passive radiative cooling to reflect most of the sun, keeping rooftops cooler and reducing building energy use, while also condensing moisture from humid air to harvest water. Early field tests showed solar reflectivity up to 96% and roof temperatures up to 6°C cooler than the surrounding air, with a Sydney trial suggesting up to 34% in cooling energy savings. In trials on a 200 m2 roof, about 74 liters of water per day were harvested. The paint is being considered for commercialization, but durability, performance in cloudy weather, upfront costs, and the lack of standardized testing remain challenges.”,

via CNN|
#climate-change#cooling-technology#nanomaterials
Healthy longevity hinges on beating chronic disease, not aging gadgets
science-and-technology24 days ago

Healthy longevity hinges on beating chronic disease, not aging gadgets

CNN argues that extending healthy life may depend as much on preventing chronic disease as on aging‑themed tech; while CRISPR gene editing and mRNA vaccines offer promising avenues against aging‑linked diseases, both remain early‑stage. In the meantime, proven prevention—Mediterranean diet, regular aerobic and strength training, adequate sleep, and social connection—can add healthy years now.

via CNN|
#aging#chronic-disease#crispr
Artemis II uncovers evidence the Moon isn’t dead after all
science-and-technology1 month ago

Artemis II uncovers evidence the Moon isn’t dead after all

After Artemis II’s lunar flyby and splashdown, onboard instruments detected a transient outgassing event near the Aristarchus Plateau that thickened the Moon’s exosphere and produced a faint glow, complemented by spikes in noble gases. If verified, this could be the strongest evidence yet of present-day lunar activity, guiding future landers and missions to study lunar volatiles and surface processes.

via Iowa Park Leader|
#aristarchus-plateau#artemis-ii#lunar-exosphere
Volcanic Warmth Creates Hidden Nursery for Giant Deep-Sea Skate Eggs
science-and-technology1 month ago

Volcanic Warmth Creates Hidden Nursery for Giant Deep-Sea Skate Eggs

Scientists discovered large rectangular eggs of the Pacific white skate at about 3,500 meters beneath an active seafloor volcano off Vancouver Island. The geothermally heated water provides a gentle incubator that can accelerate embryo development in the cold, high-pressure deep sea, potentially shaving years from the lengthy incubation. The finding links volcanism to biodiversity, highlighting conservation needs for geothermal nurseries and offering new questions about how vent activity shapes reproductive success. Researchers used ROVs, high-def imagery, temperature readings, and geochemical data to map the thermal landscape where eggs cluster.

via Iowa Park Leader|
#biodiversity#deep-sea#embryology
NASA recalibrates Artemis, eyeing a sustainable Moon base by 2028
science-and-technology2 months ago

NASA recalibrates Artemis, eyeing a sustainable Moon base by 2028

NASA, under new leadership from Jared Isaacman, is rethinking Artemis with a tighter, more realistic timetable and a focus on establishing a long‑term lunar base by 2028. While the program remains costly and complex, the plan prioritizes pragmatism, commercial partnerships, and sustained presence on the Moon, as China pursues a potentially simpler path and could beat the U.S. to a crewed lunar landing.

via The Economist|
#artemis#china#moon
NASA charts $20B lunar base plan and nuclear Mars mission
science-and-technology2 months ago

NASA charts $20B lunar base plan and nuclear Mars mission

NASA unveils a seven-year, $20 billion overhaul to build a surface lunar base with robotic prep, repurpose the Lunar Gateway for surface infrastructure (pausing its orbital role), and advance a nuclear-powered Mars mission via Space Reactor 1 Freedom by 2028, including a Mars helicopter test; the move reshapes Artemis and heightens competition with China.

via Al Jazeera|
#artemis-program#moon-base#nasa
Single-Atom Indium Catalyst Enables Efficient CO2-to-Methanol Conversion
science-and-technology2 months ago

Single-Atom Indium Catalyst Enables Efficient CO2-to-Methanol Conversion

ETH Zurich researchers engineered a hafnium oxide-supported single-atom indium catalyst that dramatically lowers the energy required to convert CO2 and hydrogen into methanol, with each indium atom acting as an active site. This design offers clearer insight into reaction mechanisms, improved efficiency over nanoparticle catalysts, and durability under industrial conditions, potentially accelerating climate-friendly methanol production if powered by renewables.

via ScienceDaily|
#co2-reduction#hafnium-oxide#indium