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Living World

When the brain’s waste disposal system fails

Marco Sardiello explains how problems with the cell’s lysosomes lead to disease

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

The financial crisis flared in an era of invisible high risk. Has the system been reformed?

Economists tracking changes post-recession say safeguards should reduce the vast vulnerabilities seen 10 years ago. But putting out fires may be harder.

A run on the bank, 21st century style

Timeline: Major moments of the 2008 global financial crisis

Truly, neurally, deeply

Scientists are developing AI systems called deep neural nets that can read medical images and detect disease — with astonishing efficiency

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.

Scientists look to new technologies to make food safer

From romaine to snack crackers, foodborne disease outbreaks have increasingly worried the public. Cold plasma and high-pressure systems might help reduce the risks.

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.

As the Arctic warms, it’s losing more than just ice

SLIDESHOW: Also at risk are the many hidden habitats built into the sea’s frozen wilds.

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

Five mysteries about breast milk

The little that we know about breastfeeding tells us a lot — imagine if we knew more

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.

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.

Unearthing secrets of human sacrifice

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