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Comics

Break on through: How some viruses infect the placenta

A few rare viruses can reach the fetus when pregnant women are infected, with tragic result. As explored in this Q&A, researchers are figuring out how the placenta acts as protector and how some pathogens slip through.

Sounding out the brain

Ultrasound isn’t just for images. Sonogenetics and other promising technologies let researchers use focused sound waves to control genes and entire cells deep in the tissues of living animals, without surgery.

Hacking the immune system

How the body’s own defense cells can be turned into tiny, programmable assassins to battle cancers and other disorders

Labor of love

Flipping the scientific thinking on our species’ “difficult childbirth”

Five mysteries about breast milk

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

A Notch on the many paths to cancer

Tumors and more may be fueled by an ancient protein with myriad jobs in the body. Scientists hope to tap this knowledge to generate novel therapies.

Making and breaking connections in the brain

The links between nerve cells, called synapses, allow us to learn and adapt, and hold clues to conditions such as autism, schizophrenia and more

Could getting rid of old cells turn back the clock on aging?

Researchers are investigating medicines that selectively kill decrepit cells to promote healthy aging — but more work is needed before declaring them a fountain of youth

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

Seeking a better test for Alzheimer’s

New blood assays and brain scans are among the biomarkers revolutionizing clinical trials and changing the way researchers think of the disease. They may soon change the way patients are treated as well.

Dealing with rats, and their health, in America’s ‘rattiest’ city

OPINION: A study in Chicago found that rodents surviving poisoning are more likely to carry disease. Good pest control needs to take such things into account.

Fun facts about bones: More than just scaffolding

A new vision of the skeleton as a dynamic organ that sends and receives messages suggests potential therapies for osteoporosis and other problems

Humanizing immunology

The field has long been more mice than men. New technologies and systems-based approaches with human cells may soon fill gaps in our understanding of autoimmune disease and health, Mark Davis says in a Q&A.

Winding the body’s clock

Medicines and other small molecules may play a role in fixing rhythms gone awry

Getting to know the gut microbiome

Researchers are finally getting the tools to understand just how the microbial communities in and on our bodies affect health. But there are many mysteries left to solve — and many technological challenges.

Heads up! The cardiovascular secrets of giraffes

Because of their height, giraffes require scarily high blood pressures — yet they escape the massive health problems that plague people with hypertension. Can clinicians learn from these animals?

Profiling the perpetrators of past plagues

The ancient pathogens in old graves are as dead as the people they once infected. Still, they tell a vivid tale.

Why viruses deserve a better reputation

Sure they cause disease, but the microbes can be a help as well. Witness long-lasting pepper seeds, drought-resistant crop plants and even our own placentas.

When the brain’s waste disposal system fails

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

Microbes in the medical bag

Genetically engineered gut bacteria hold promise for safe, targeted therapies

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