DNA

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Nano-architects design materials that can work together at very tiny scales, like these interlocking gears made of carbon tubes and benzene molecules. NASA

Molecular architects: how scientists design new materials

One of the great technological challenges of this century is to design novel items and then make them – and have the results match the intent.
A virus is essentially an information system (encoded in DNA or RNA) surrounded by a protective coat. Tom Thai/Flickr

Disease evolution: our long history of fighting viruses

Humans have a deep history of viral infections, the evidence for which dates back to ancient DNA from Egyptian mummies.
Slowly giving up its secrets. www.shutterstock.com

Is schizophrenia written in our genes?

Many of the genes and transcripts associated with schizophrenia are only found in humans, which makes studying the disorder difficult. But scientists are slowly making progress.
Men can deny paternity in when women they are involved with fall pregnant as a way of punishing the women. shutterstock

Why paternity tests should become cheaper and more widely accessible

When men deny the paternity of children, many South African women feel like they have no recourse. Making DNA tests affordable and accessible could change this.
A snip here, but not a snip there? DNA image via www.shutterstock.com

Why treat gene editing differently in two types of human cells?

The International Summit on Human Gene Editing drew a distinction between editing an individual's body cells and editing germline cells that would pass changes to future generations. Does that make sense?
Gene editing allows us to eliminate any misspellings, introduce beneficial natural variants, or perhaps cut out or insert new genes. Libertas Academica/Flickr

Why we can trust scientists with the power of new gene-editing technology

Should the gathering of experts from around the world that's considering the scientific, ethical, and governance issues linked to research into gene editing ring alarm bells?

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