Invasive species costing Africa $3.66 tn a year: study

Invasive species introduced by human activity are costing African agriculture some $3.66 trillion every year—around 1.5 times the combined gross domestic product of all African countries—new research showed Thursday.

Ants' movements hide mathematical patterns

When ants go exploring in search of food they end up choosing collective routes that fit statistical distributions of probability. This has been demonstrated by a team of mathematicians after analysing the trails of a species ...

Where did Australian cats come from?

Researchers have found that cats in Australia are most likely descended from those brought by European settlers. Feral cats found on the islands surrounding Australia may represent founding populations from Europe, introduced ...

Hunters bag record-breaking python in Florida Everglades

Two Florida hunters set a new record when they caught a Burmese python that measured a whopping 18 feet, 8.8 inches (5.71 meters), authorities in the southern state said Friday, as they encourage more people to eliminate ...

page 4 from 40