A squid-inspired medical device could reduce the need for needles
The device, which directs a liquid by mimicking squids’ high-pressure jets, could provide alternative delivery methods for injectable drugs.
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Philippines volcanic eruption: Kanlaon volcano ‘may progress to further explosive eruptions’
The Kanlaon volcano in the Philippines erupted today (Dec. 9) at 3:03 p.m. local time, spouting an eruption column of up to 1.86 miles (3 kilometers) into the sky and triggering the evacuation of 87,000 people.
James Webb telescope confirms we have no idea why the universe is growing the way it is
A dense cluster of bright stars, each with six large and two small diffraction spikes, due to the telescope’s optics.
Hippocampal neurogenesis decreases PTSD symptoms in mice, study finds
A study on mice found that interventions increasing the creation of new neurons in the hippocampus (hippocampal neurogenesis) weaken memories of traumatic events and reduce PTSD symptoms. The research was published in Molecular Psychiatry. Early researchers of brain development believed…
Win hardware, collectibles, and more in the 2024 Ars Technica Charity Drive
It’s once again that special time of year when we give you a chance to do well by doing good. That’s right—it’s time for the 2024 edition of our annual Charity Drive! Every year since 2007, we’ve encouraged readers to…
Trees may be even bigger climate heroes than we thought
Trees are important for the health of our planet. For one, they pull carbon dioxide, a planet-warming gas, out of the air. But they also take up methane gas, scientists have now learned. Methane is even more potent as a…
Scientists Say: Organoid
Organoid (noun, “OR-guh-noid”) An organoid is a model of an organ made from living cells. Organoids are lab tools that mimic the functions of real organs. Organs carry out specific jobs in our bodies. Digestion begins in the stomach. The…
Roman scutum: An 1,800-year-old shield dropped by a Roman soldier who likely died in battle
A wood and leather shield dating to around A.D. 250 is one of only a few complete Roman scuta ever found.
Neuroscientists just turned a major Alzheimer’s theory on its head
A recent study published in Brain challenges long-held assumptions about Alzheimer’s disease treatment. Researchers at the University of Cincinnati found that new monoclonal antibody drugs may slow cognitive decline by increasing levels of a critical brain protein called amyloid-beta 42…
‘An existential threat affecting billions’: Three-quarters of Earth’s land became permanently drier in last 3 decades
A car driving by a raging wildfire in Orange County, California.
