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FeaturedTechnology 2026-03-19

Fiber-optic sensors reveal how farming destroys soil's natural structure

Soil is often perceived simply as "dirt," but in reality, it is a dynamic, living system that acts as the Earth's natural sponge. Unfortunately, common agricultural practices—including deep plowing and the use of heavy machinery—can severely disrupt this natural system, according to a new study led by Dr. SHI Qibin from the Institute of Geology and Geophysics of the Chinese Academy of Sciences, in collaboration with international partners. The study, published in Science on March 19, shows that healthy soil contains a natural internal "plumbing" network of microscopic pores ...

Science 2026-03-19

When the Earth moved

By Kermit Pattison / Harvard Staff Writer  The history of the Earth is written on the great tablets of tectonic plates. The motions of plates shaped land masses, formed oceans, and created the varied climates and habitats that set the stage for evolution and the diversity of life. But this grand drama begins with a deep mystery: just when did the continental and oceanic plates begin to drift? Did the lithosphere begin to move soon after the formation of the Earth 4.5 billion years ago or only in the last billion years? A ...

Medicine 2026-03-19

For the first time, Robert A. Winn Career Development Award opens to neuropsychiatry investigator-physicians

NATIONAL — March 19, 2026 — The Robert A. Winn Excellence in Clinical Trials Award Program (Winn Awards) is proud to announce that, for the first time, the Winn Career Development Award (Winn CDA) program is welcoming applications from investigator-physicians specializing in neuropsychiatry. This expansion reflects the program’s ongoing commitment to training a national network of clinical trialists who are focused on ensuring that underrepresented communities have access to cutting-edge research. Since ...

Medicine 2026-03-19

The Neural Wiring That Turns Psychological Stress Into Eczema Flares

A study combining data from 51 eczema patients and mouse models identifies prodynorphin-positive sympathetic neurons as the link between psychological stress and skin inflammation. These neurons recruit eosinophils through the CCL11-CCR3 pathway, and removing them reduces stress-driven flares.

Science 2026-03-19

Chile's Monte Verde May Be 6,000 Years Younger Than Archaeologists Believed

Independent researchers reexamined Monte Verde, a landmark Chilean archaeological site long dated to 14,500 years ago. Their geological analysis places the site between 8,000 and 4,000 years old, suggesting older radiocarbon dates were skewed by redeposited ancient material. Other pre-Clovis sites remain unaffected.

Science 2026-03-19

Humans and Animals Prefer the Same Sounds, a 4,000-Person Study Confirms

In a study of 4,196 participants evaluating 110 pairs of animal sounds from 16 species, researchers found that humans reliably preferred the same sounds animals favor for mate selection. The overlap held across insects, frogs, birds, and mammals, supporting Darwin's idea of a shared aesthetic sense.

Environment 2026-03-19

Boreal Forest Carbon Storage Gap Is Up to 8 Times Larger Than Official Estimates

Primary boreal forests in Sweden store 72% more carbon than managed secondary forests across all pools combined. The gap, driven largely by massive soil carbon reserves, is 2.7 to 8 times greater than earlier estimates, suggesting climate models may seriously overvalue forest-based bioenergy.

Technology 2026-03-19

Earthquake Sensors Reveal Why Plowed Soil Stops Absorbing Rain

University of Washington researchers repurposed earthquake-monitoring fiber optics to measure how tilling damages soil structure. The technique revealed that plowed fields lose their capillary networks, causing rain to pool on the surface rather than soak in, increasing erosion and flood risk.

Environment 2026-03-19

Soil Under Sweden's Ancient Forests Holds More Carbon Than Entire Managed Stands

Researchers from Stanford and Lund University measured carbon in over 200 Swedish forest plots and found old-growth forests store 72% more carbon than managed replacements. The soil beneath undisturbed forests alone contains more carbon than managed forests do across all compartments combined.

Medicine 2026-03-19

How Human Cells Read a Hidden Layer of the Genetic Code

A Kyoto University and RIKEN team discovered that the protein DHX29 acts as a quality sensor on ribosomes, detecting inefficient codons in mRNA and triggering their degradation. The finding reveals a direct molecular link between codon choice and gene expression in human cells.

Environment 2026-03-19

Sweden's Old-Growth Forests Hold 83% More Carbon Than Managed Timber Stands

Swedish researchers spent nearly ten years mapping the nation's old-growth forests and found they store 83% more carbon than managed forests. The soil alone in primary forests holds as much carbon as everything in managed forests combined, trees, dead wood, and soil included.

Earth Science 2026-03-19

Earth's Tectonic Plates Were Already Drifting 3.5 Billion Years Ago

Harvard geoscientists analyzed over 900 rock samples from Western Australia's Pilbara Craton and found that tectonic plates were shifting latitude by tens of centimeters per year as early as 3.5 billion years ago, ruling out the theory that early Earth had a single, unbroken shell.

Medicine 2026-03-19

A wound dressing that stays silent until bacteria attack — then releases antibiotics on its own

Biomedical engineers built a hydrogel wound dressing whose molecular crosslinks break apart only when harmful bacteria produce a specific enzyme, releasing trapped antibiotics precisely when needed. In mice, a single application cleared infections and healed wounds faster than current clinical dressings.

Medicine 2026-03-19

Damaged kidneys feed gut bacteria the fuel to produce a toxin that damages kidneys further

When kidneys falter, rising nitrate in the colon fuels E. coli production of indoxyl sulfate — a toxin that further damages kidneys and binds to blood proteins so tightly that dialysis cannot clear it. Blocking a single enzyme in mice broke the cycle and improved kidney outcomes.

Earth Science 2026-03-19

Plowed soil traps water at the surface while undisturbed ground drinks it deep — fiber optics show why

Using buried fiber-optic cables to detect vibrations from water flow, researchers found that cultivated soil traps rainwater near the surface where it evaporates, while undisturbed soil channels it deep underground through a natural pore network that tillage destroys.

Medicine 2026-03-19

Americans know alcohol causes cancer — the new dietary guidelines just chose not to say so

A survey of 1,650 U.S. adults finds that public awareness of alcohol's cancer risk held steady at 53% after the USDA's 2025-2030 dietary guidelines dropped all mention of the link. The Surgeon General's earlier advisory, not the guidelines, appears to have driven the initial awareness jump.

Medicine 2026-03-19

Medicare insulin costs dropped from $51 to $22 per month after federal price caps took effect

A Johns Hopkins analysis of nearly 3.8 million Medicare patients found that average monthly out-of-pocket insulin costs fell from $50.87 in 2019 to $21.98 in 2023 after federal price caps. But about 25% of beneficiaries still paid more than $35 due to a prorating loophole.

Medicine 2026-03-19

A simple blood test could spare elderly breast cancer patients from unnecessary surgery

For women 70 and older with estrogen receptor-positive breast cancer, a blood test measuring circulating tumor DNA fragments may reveal early whether hormone-blocking therapy alone is working — potentially sparing some patients from surgery, radiation, and their side effects.

Science 2026-03-19

Seaside towns trap young workers in manual jobs — and moving away costs money most don't have

Young people who stay in England's urban coastal areas are far more likely to end up in routine and manual jobs by age 25. Moving away breaks the pattern, but those who leave tend to come from wealthier families — deepening a cycle of deprivation in seaside communities.

Science 2026-03-19

A beta blocker that activates with violet light -- and researchers can now see why

Researchers at the Paul Scherrer Institute used an X-ray free-electron laser to watch a light-switchable beta blocker change shape at its receptor in real time. The drug does not fall off when bent by light -- it simply loosens its grip, turning the receptor into a dimmer switch.

Science 2026-03-19

Polish researchers build the first scientific scale for post-game depression

Psychologists at SWPS University created the Post-Game Depression Scale, the first validated tool for measuring the emotional void players report after completing immersive video games. RPG fans scored highest, and the phenomenon correlates with broader depressive symptoms.

Medicine 2026-03-19

AI redesigns 672 antibodies to work inside cells, targeting Alzheimer's and MND proteins

Using AI protein design tools from Nobel laureate David Baker's lab, researchers converted 672 antibodies into stable intrabodies capable of binding disease-related proteins inside cells. The library targets proteins linked to Alzheimer's, Parkinson's, Huntington's, and motor neurone disease.

Environment 2026-03-19

A kimchi bacterium binds nanoplastics in the gut -- and doubles their excretion in mice

A lactic acid bacterium isolated from kimchi retained 57% nanoplastic adsorption efficiency under simulated gut conditions, compared to just 3% for a reference strain. In germ-free mice, it more than doubled the nanoplastics detected in feces, suggesting enhanced excretion.

Science 2026-03-19

From viper venom to patent holder: Lawrence Toll's 30-year quest against pain and addiction

Lawrence Toll, a professor at Florida Atlantic University who co-discovered the pain-related molecule nociceptin three decades ago, has been named a senior member of the National Academy of Inventors. His nine patents span opioid receptor research and nicotine addiction therapies.

Science 2026-03-19

Pregnant women who sit less than 8 hours daily cut hypertension risk by 30%

Tracking 470 pregnant women across all three trimesters, researchers found that limiting sitting to 8 hours daily and getting 7+ hours of light activity reduced hypertensive disorder risk by nearly 30%. The optimal daily pattern cut risk by more than half.

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