91色情片

Earth

A fifth of all wild plant species face extinction

The Sampled Red List Index for Plants reveals that one-fifth of all plant species are on the brink 鈥� a higher proportion than for birds

Environment

Half the world’s plant names weeded out

Environment

Desirable daisies lure male flies with offer of sex

Environment

Supercrops: Fixing the flaws in photosynthesis

Earth

Weed resistance could mean herbicide is futile