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Bypassing paralysis

By decoding brain activity with electrical implants, computers can help disabled people move a robotic arm — or their own

How a second language can boost the brain

Being bilingual benefits children as they learn to speak — and adults as they age

Fighting crime with statistics

Taking advantage of “natural experiments,” researchers analyze data to look at what works

Awesome ears: The weird world of insect hearing

Evolution made insect ears many times over, resulting in a dazzling variety of forms found in spots all over the body. Biologists are digging deep into some of those ears to figure out how and why they came to be.

Gut feelings

The same taste receptors found on the tongue are in the stomach, intestines and elsewhere, too. What are they doing there? Well, a lot.

If mammoth tusks could talk

Five new things we’re learning about the extinct animals and their ancient kin

A salamander’s dangerous liaisons

The giant genomes of these struggling amphibians tell a story of outsider invasions, assault by disease and cross-species sex. A geneticist explains.

A run on the bank, 21st century style

Timeline: Major moments of the 2008 global financial crisis

Sticky science: Evolution of spiderwebs

The eight-legged weavers have been hunting insects for almost 400 million years, flaunting their long history in a rich array of architectures. Scientists are still figuring out the taxonomy of them all.

She sees dead bodies

An environmental historian looks at how Americans treat corpses and what it means

Unbound and out: Boosted by black holes, stars speed off, leaving clues behind

Space oddities may help reveal dark matter and other secrets in the Milky Way. Astronomer Warren Brown explains.

Betting on bats for genetic treasures

Bat genomes are full of clever tricks that are treats for biology and medical science — it’s why scientists want to sequence them all

Eyes in the sky: 5 ways drones will change agriculture

From spotting leaks to patrolling for pathogens, flying robots are taking up chores on the farm.

Lost world: An ancient ninth planet that went missing

Clues hidden in today’s orbits hint at the violent origins of the solar system — and a rogue giant kicked out long ago.

Finding the fat: The US Farm Bill and health

America has grown obese on processed, sugary and deceptively cheap foods. Some blame policies enshrined in an unwieldy, bloated beast of legislation.

3-D printing finds a custom foothold in manufacturing

From rocket thrusters to shoe soles, additive technologies expand their sights

Resistance threatens recent success seen in battle against malaria

The disease-causing parasite is once again starting to evade front-line strategies, but scientists are preparing their next volleys

Top 10 secrets about stress and health

The strain of life — from everyday conflicts to major losses — can stretch our well-being to the breaking point. Here’s what scientists know, and still don’t know, about the stress-illness connection.

Resistance threatens recent success seen in battle against malaria

The disease-causing parasite is once again starting to evade front-line strategies, but scientists are preparing their next volleys

How to build a mountain range

Geologists explore the rise of the Andes, whose high-altitude peaks and plateau alter global climate.

Managing pain in a time of opioid abuse

Other therapies, more training, a new mindset: Can doctors bring relief to patients without putting them at risk for addiction?

Unearthing secrets of human sacrifice

Archaeologists turn to other scientific fields to fill in the picture of how victims lived and why they died

The future of work: Will robots take my job?

Automation threatens to replace some workers but can grow overall employment. The one sure thing is that technology will change how we labor.