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DNA

lizard

Life

Heat overrides genes to make bearded dragon embryos change sex

Some Australian lizards that begin developing as males will hatch as females if the egg is particularly warm, because the heat triggers genes that override their sex chromosomes

News
DNA replication

Life

Microbe somehow survives without key proteins for replicating its DNA

News
guanacos

Life

Llamas and alpacas carry genes from mysterious 鈥榞host鈥� relatives

News

Humans

People of European descent evolved resistance to TB over 10,000 years

News
mammoth

Life

First million-year-old DNA extracted from Siberian mammoth teeth

News

Humans

Do telomere length tests really reveal your biological age?

Features

Life

CRISPR gene editing used to store data in DNA inside living cells

News

Humans

How nature, nurture and sheer randomness combine to make a unique you

Features
sabre-toothed cat

Life

Social life of extinct sabre-toothed cat revealed by ancient DNA

News
tardigrade

Life

Secret to tardigrades’ toughness revealed by supercomputer simulation

Tardigrades can survive extreme temperatures and the vacuum of space 鈥� a supercomputer simulation of the behaviour of 750,000 atoms in and around its DNA help explain why

News

What is RNA?

Chromosomes

Life

Quadruple-stranded DNA seen in healthy human cells for the first time

News

Cloning