Photo: Heavy Metal-Eating "Superworms" Unearthed in U.K.



New varieties of the Lumbricus rubellus earthworm can eat hazardous waste, researchers reported in September 2008.

Above, the "reference" earthworms are normal, whereas the "stream" and "cottage" earthworms have evolved to survive in soils contaminated with high amounts of lead and zinc.

Photograph by Jane Andre


NEWS FEEDS    After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed. After installing a news reader, click on this icon to download National Geographic News's XML/RSS feed.

Get our news delivered directly to your desktop—free.
How to Use XML or RSS

ADVERTISEMENT

NATIONAL GEOGRAPHIC'S PHOTO OF THE DAY

50 Drives of a Lifetime

Listen to your favorite National Geographic news daily, anytime, anywhere from your mobile phone. No wires or syncing. Download Stitcher free today.