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Biotechnology Feb 21, 2026

How your body senses cold—and why menthol feels cool

When you step outside on a winter morning or pop a mint into your mouth, a tiny molecular sensor in your body springs into action, alerting your brain to the sensation of cold. Scientists have now captured the first detailed ...

Biotechnology Feb 20, 2026

What is a 'seesaw protein' that switches functions by changing shape?

Inspired by the simple mechanism of a seesaw—when one side goes up, the other side goes down—researchers asked an intriguing question: Could a single molecule switch between two different roles like a seesaw? This idea led ...

Space Exploration Feb 20, 2026

SpaceX rocket left behind a plume of chemical pollution as it burnt up in the atmosphere

Space junk returning to Earth is introducing metal pollution to the pristine upper atmosphere as it burns up on re-entry, a new study has found.

Mathematics Feb 20, 2026

How choices made by crowds in a train station are guided by strangers

In crowds, most people are strangers to you, and everyone else for that matter. However, until now, the effect of stranger-to-stranger interactions on the choices people make in crowds has not been properly examined. Ziqi ...

Plants & Animals Feb 20, 2026

Birds change altitude to survive epic journeys across deserts and seas

Every year, billions of birds undertake extraordinary migrations, crossing vast deserts and open seas with no place to stop, feed, or rest. A new international study published in iScience by a consortium of researchers from ...

Planetary Sciences Feb 19, 2026

42 years of measuring the sun, the Earth and the energy in between

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a cosmic ray detector, was designed to measure the radiation environment in Earth orbit. Though its final ...

Optics & Photonics Feb 19, 2026

New chip-scale microcomb uses lithium niobate to generate evenly spaced light

Applied physicists in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have discovered a new way to generate ultra-precise, evenly spaced "combs" of laser light on a photonic chip, a breakthrough ...

Nanomaterials Feb 19, 2026

Nature-inspired method forms ZnO quantum dots in solid crystals at room temperature

In nature, tiny crystals known as nanocrystals are formed slowly over many years. Rocks and minerals react with air, water, and carbon dioxide in a process called chemical weathering. These reactions happen gently, at room ...

Cell & Microbiology Feb 19, 2026

Why do people living at high altitudes have better glucose control? The answer was in plain sight

In a 2023 paper on hypoxia and glucose metabolism, our lab showed how organisms rewire their metabolism to adapt to low oxygen levels—such as those found at high altitudes. One of the most striking observations from that ...

Nanophysics Feb 19, 2026

Nanodevice produces continuous electricity from evaporation

A nanodevice developed at EPFL produces an autonomous, stable current from evaporating saltwater by using heat and light to control the movement of ions and electrons. Previously, researchers in the Laboratory of Nanoscience ...

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