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tardigrade

Life

Secret to tardigrades' toughness revealed by supercomputer simulation

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

News

Red blood cells (erythrocytes) and white blood cells (leukocytes)

Definition

Blood

RNA molecules

Definition

What is RNA?

Chromosomes

Definition

Chromosomes

Hans Christian Gram: The biologist who helped investigate bacteria

Health

Hans Christian Gram: The biologist who helped investigate bacteria

Regulars

woman with chocolate

Health

People who are naturally slim have smaller and more active fat cells

News

jelly-like substance

Life

Early life on Earth may have existed as miniature droplets of jelly

News

artwork

Life

We've added letters to the genetic code – and the results are amazing

Features

Mitochondria in a cell

Humans

Some rare fathers pass on an extra kind of DNA to their children

News

37 trillion pieces of you: The plan to map the entire human body

Life

37 trillion pieces of you: The plan to map the entire human body

The workings of the myriad cells that make us are a huge mystery. A vast new project is changing that – and bringing sweeping insights into how we live and die

Features

Life

Life may have begun with cells made wholly from simple proteins

News

Video

Venki Ramakrishnan: The giant gene-translating machine

Video

Health

Human placenta stem cells help people recover from hip surgery

News

Life

We have measured the speed of death and it’s 2 millimetres an hour

News