Explained

Getting it ripe

From meh to wow: The science of fruit maturation reveals new paths to better flavor

An illustration conveys the idea that with age, immune cells may fade in power.

An old problem: How immune responses weaken with age

The body’s defenses lose flexibility and diversity over time, and protective responses to vaccines weaken as well. Scientists are working on ways to boost seniors’ protections against influenza, the novel coronavirus and other pathogens.

Illustration of scientists studying a world map with superimposed DNA double-helix.

Health & Disease

How disease sleuths are using genomics to track the coronavirus

Rapid sequencing of viral genomes can help public health officials figure out the origins, spread and nature of quickly moving epidemics

Conceptual illustration in which stylized hands use scissors to snip nucleic acid strands and tweezers to put them back together.

Health & Disease

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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Explained

Getting it ripe

An old problem: How immune responses weaken with age

How disease sleuths are using genomics to track the coronavirus

CRISPR gene editing: Moving closer to home

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