In 1977, on the islands of French Polynesia, government authorities released a predatory snail. They hoped this introduction would effectively control another species of invasive snail, previously introduced to supply escargot.

Instead, by the early...

Dingoes could be the key to controlling red foxes and other invasive predators, but only if we encourage them in large enough numbers over a wide enough area, our research shows.

Interest in re-introdu...

Ideally, everyone who needs to be immunised against influenza has access to the flu vaccine. But in a pandemic, initially there will be more people needing protection than there are doses.

So how do authorities...