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Living World

The silent majority: RNAs that don’t make proteins

Once considered cellular junk, non-coding RNAs are emerging as key players in everything from brain development to cancer — with much still to be discovered

Sweet! The cell’s sugary coating comes into view

Built from thickets of glucose, galactose, mannose and more, the glycome plays key roles in cell communication, immunity and the blood-brain barrier

The strange animals that control their body heat

Some creatures can dramatically alter their internal temperature — a strategy called heterothermy — and outlast storms, floods and predators

The curious case of low-protein diets

In the lab, animals live longer on less of the stuff. How could this be, and what does it mean for human aging?

The curious life of a clever slime mold

In its quest to feed, avoid nasty substances and just generally live its life, the brainless, one-celled Physarum polycephalum performs some impressive tricks of learning and memory

Why disease outbreaks on Chinese fur farms are a serious risk to public health

Farming animals for fur is not only cruel but also provides an ideal environment for viruses to mix and cross over into humans

Microbial Olympics: Super-duper one-celled athletes

They race, they leap, they spin, they shoot. Meet the organisms for whom physical prowess is more than sport — it’s a matter of life and death.

Field of clones: How horse replicas came to dominate polo

In Argentina, equine cloning in polo is no longer a rarity. It’s now a mature industry — although ethical dilemmas surrounding it persist.

Beating back the Aedes aegypti mosquito

Scientists are taking a multipronged approach to tackle this dangerous carrier of dengue, yellow fever and other noxious viruses

Top science stories of 2025

In a year of funding chaos, ongoing climate change and pollution perils, we also saw the most powerful telescope yet, personalized gene therapy, and the next-best-thing to an HIV vaccine — not to mention a brand-new color

The science of green hair care

A push to move away from petroleum products — plus the perception that natural is gentler — has scientists lathering up new ingredients, from wood and fungus extracts to engineered proteins

Journey to the egg: How sperm navigate the path to fertilization

COMIC: Male cells must survive twisty passages, strong currents and immune attacks; millions enter, but only one can finish

How plant-eaters snag their essential amino acids

Early in evolution, we animals lost the ability to manufacture nine of the 20 building blocks needed to make proteins. Herbivores evolved an impressive array of tricks to ensure their dietary needs are met.

Can tinkering with plant pores protect crops against drought?

It’s not an open-and-shut case. But researchers are finding out plenty by genetically altering the numbers of these openings, as well as simulating future atmospheres, and more.

Flying with whales: Drones are remaking marine mammal research

From collecting whale snot to capturing surprising behaviors, aerial drones are giving scientists a new view of life at sea

How a humble weed became a superstar of biology

Arabidopsis thaliana was always an unlikely candidate for the limelight. But 25 years ago, the diminutive thale cress launched the botanical world into the molecular era.

Animals that eat poisons and don’t die

Critters consuming species that contain deadly toxins have evolved a suite of clever strategies to keep out of harm’s way

Tracking down the hidden pollutants that make wildlife sick

A new technique for detecting unknown and unlooked-for chemicals is revealing dozens of contaminants in alligators, sea lions and condors

Animal origami: The physics of nature’s folds

Insects that tuck away wings; a protist with an accordion-like neck — studying these clever creases may inspire foldable structures for drones

The pernicious infections infiltrating Ukraine’s front lines

Doctors and scientists are waging a shadow war in the besieged nation: bacteria that are resistant to multiple antibiotics. The deadly bugs are now knocking on western Europe’s door.

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