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Why probation and parole don’t work as advertised

The current system of supervised release in lieu of imprisonment may do more harm than good, some experts say. How can society do a better job of rehabilitating law-breakers while keeping them from re-offending?

All about cholesterol

The latest science on how blood levels of HDL, LDL and more relate to cardiovascular health

A new look at our linguistic roots

Linguists and archaeologists have argued for decades about where, and when, the first Indo-European languages were spoken, and what kind of lives those first speakers led. A controversial new analytic technique offers a fresh answer.

Soda taxes can’t reverse the obesity epidemic

OPINION: They might be able to help, but only if well-designed and in combination with other policies

The hidden threat from rising coastal groundwater

OPINION: Sea level rise won’t hit just homes on shorefronts, but also the infrastructure beneath our feet

Getting rid of bed bugs: Trickier than ever

The blood-sucking insects now show up in two varieties and are resistant to many pesticides. New eradication strategies include fungal spores and nasty human odors.

The untapped potential of stem cells in menstrual blood

Long overlooked, menstrual stem cells could have important medical applications, including diagnosing endometriosis

Indigenous languages are founts of environmental knowledge

Peoples who live close to nature have a rich lore of plants, animals and landscapes embedded in their mother tongues — which may hold vital clues to protecting biodiversity

Forests are under attack from invasive species

OPINION: International commerce and travel bring ecological destruction to the world’s most cherished natural places. We need to do more to stop the assault.

CRISPR gene editing: Moving closer to home

With the first medical therapy approved and systems like CRISPR-Cas showing up in complex cells, there’s a lot going on in the genome editing field. Here’s our primer.

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How shade coffee lends conservation a hand

When managed in the right way, the farms that provide our morning brew can be a refuge for plant and animal biodiversity

Genes and heart disease: Finally making the link

Polygenic risk scores — a patient’s chance, based on tiny DNA variants, of developing cardiovascular disease, breast cancer and more — are coming to clinics. But there are kinks to iron out and accuracy remains an issue.

We urgently need data for equitable personalized medicine

OPINION: A massive bias in medical studies toward men of European origin means that genetic variants in understudied populations don’t get the focus they deserve

How gut bacteria connect to Parkinson’s disease

Growing evidence suggests a link between the debilitating neurological illness and the microbes that live in our intestines. The vagus nerve may be a pathway.

The growing link between microbes, mood and mental health

New research suggests that to maintain a healthy brain, we should tend our gut microbiome. The best way to do that right now is not through pills and supplements, but better food.

Central American volcanoes offer clues to Earth’s geological evolution

Along 1,100 kilometers, from Mexico to Costa Rica, lies the Central American volcanic arc, where the variety of magma types make for a geological paradise

Why scientists are making transparent wood

Stronger than plastic and tougher than glass, the resin-filled material is being exploited for smartphone screens, insulated windows and more

New Zealand’s quest to save its rotund, flightless parrots

DNA sequencing, GPS tracking and tailored diets are slowly restoring the endangered kākāpō

Neanderthals: More knowable now than ever

They have held our fascination ever since we first identified their remains. Today, thanks to new artifacts and technologies, findings about our closest relatives are coming thick and fast.

Green shipping picks up speed

An international treaty aims to bring the shipping industry to net-zero emissions by around 2050. Can novel fuels, wind power and coordination on a global scale get it there?

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