Science & Technology
Rats trade initial rewards for long-term learning opportunities
Scientists have provided evidence for the cognitive control of learning in rats, showing they can estimate the long-term value of learning and adapt their decision-making strategy to take advantage of learning opportunities.
New technique maps large-scale impacts of fire-induced permafrost thaw in Alaska
Researchers have developed a machine learning-based ensemble approach to quantify fire-induced thaw settlement across the entire Tanana Flats in Alaska, which encompasses more than 3 million acres. They linked airborne repeat lidar data to time-series …
Social isolation triggers astrocyte-mediated deficits in learning and memory
In animal models, social isolation triggers memory and learning deficits that are mediated by hyperactivity of the most abundant brain cell, the astrocyte. Importantly, inhibiting this hyperactivity reversed the cognitive deficits associated with socia…
Pungent ginger compound puts immune cells on heightened alert
Ginger has a reputation for stimulating the immune system. New results now support this thesis. In laboratory tests, small amounts of a pungent ginger constituent put white blood cells on heightened alert. The study also shows that this process involve…
The roar and crackle of Artemis 1
When the Artemis 1 mission was launched in November, it became the world’s most powerful rocket, and with liftoff came a loud roar heard miles away. Researchers report noise measurements during the launch at different locations around Kennedy Space Cen…
The perfect pour: Model predicts beer head features
Researchers have analyzed brewing with numerical simulations to predict an array of beer foam features. They demonstrate that their model can determine foam patterns, heights, stability, beer/foam ratio, and foam volume fractions. The study presents th…
On-demand male contraceptive shows promise in preclinical study
An experimental contraceptive drug temporarily stops sperm in their tracks and prevents pregnancies in preclinical models. The study demonstrates that an on-demand male contraceptive is possible.
Better understanding on the way to a carbon-neutral economy
What role could rifted margins play in the transition to a carbon-neutral economy? Researchers summarize the current state of knowledge about the so-called rifting of continents. Rifting is the term researchers use to describe the process by which cont…
Want healthy Valentine chocolates? We can print them
A scientist has developed a formulation of low-fat chocolate that can be printed on a 3D printer in pretty much any shape a person can conceive, including a heart.
Daily, consistent parental reading in the first year of life improves infants’ language scores
Daily reading improved language development in infants 12 months and younger, according to a recent study.
The ‘tipping point’ toward Alzheimer’s
Scientists are not yet clear on how the tau protein changes from a benign protein essential for normal function in our brains into the toxic neurofibrillary tangles that are a signature of Alzheimer’s and other neurodegenerative diseases.
Complex subsurface of Mars imaged by Chinese rover Zhurong
Ground-penetrating radar from China’s Martian rover Zhurong reveals shallow impact craters and other geologic structures in the top five meters of the red planet’s surface.
New AI tool guides users away from incendiary language
To help identify when tense online debates are inching toward irredeemable meltdown, researchers have developed an artificial intelligence tool that can track these conversations in real-time, detect when tensions are escalating and nudge users away fr…
‘Magic’ solvent creates stronger thin films
A new all-dry polymerization technique uses reactive vapors to create thin films with enhanced properties, such as mechanical strength, kinetics and morphology.
Oldest spinosaur brains revealed
Researchers have reconstructed the brains and inner ears of two British spinosaurs, helping uncover how these large predatory dinosaurs interacted with their environment.
Can hearing loss be reversed? Research reveals clues that could regrow the cells that help us hear
The most common cause of hearing loss is progressive because hair cells — the primary cells to detect sound waves — cannot regenerate if damaged or lost. Researchers are now getting closer to identifying the mechanisms that may promote this type of r…