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Biology

Bacillus subtilis

Health

Genetically engineered bacteria could heal us from inside our cells

Billions of years ago, bacteria began living inside other cells and carrying out essential functions. Genetic engineering could create new types of these ‘endosymbionts’

News
The leaves and flowers of catnip

Life

We can now bioengineer catnip instead of extracting it from plants

News
whitefly

Life

Plant gene has naturally crossed into insects – and helps them feed

News
North Pole sign in melting ice and meltwater

Earth

RPS Science Photographer of the Year winners and runners up announced

Culture

Life

Water may be even more crucial to life than we thought

News

Life

Why don’t wildebeest have wheels? Exploring the limits of evolution

Features
guttural toad

Life

Toads on tropical islands are rapidly shrinking as they evolve

News
cells being levitated

Health

Magnetic levitation can be used to separate the living from the dead

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

Blood
giraffes

Natural selection

Natural selection is the process by which some organisms in a population survive and reproduce, while others do not, based on their bodies and behaviour

What is RNA?
Health

Bill Bryson on the miraculous human body

Video

Nature versus nurture

Eugenics