W's and H's

Oxygen-Free Animals Discovered—A First
Who: scientists
What: multicellular organisms
When: recently
Where: Mediterranean Sea
How: The new animals appear to have modified versions of mitochondria called hydrogenosomes, which can produce ATP without oxygen. Hydrogenosomes were previously known only in single-celled organisms.
http://news.nationalgeographic.com/news/2010/04/100416-oxygen-free-complex-animals-mediterranean/

"Tyrant King" Leech Discovered, Attacks Orifices
Who: doctors
What: Tyrant King leeches
When: possibly soon
Where: found in the Peruvian Amazon
How: Ironically, the ferocious leech may one day help people. Siddall and his team study leeches to develop anticoagulants—treatments that stop patients' blood from clotting. Medicinal leeches have been used for more than a century for various medical therapies. Finding a new leech helps scientists better understand the molecules that make leech saliva so beneficial.
http://news.nationalgeographic.com/news/2010/04/100415-new-species-t-rex-leech-orifices/

Pictures: Millions of Sea Turtles Killed Accidentally?
Who: small fishers
What: killing sea turtles by accidentally getting caught in nets
When: in the last 20 years
Where: in the sea
How: The new study tallied sea turtle bycatch from published reports, which are primarily from observers aboard industrial fleets. All told, about 85,000 turtles were reported accidentally taken between 1990 and 2008. However, it is thought that the number is actually in the millions.
http://news.nationalgeographic.com/news/2010/04/photogalleries/100406-sea-turtles-killed-conservation-letters-pictures/#green-sea-turtles-trail-fishing-boat_18297_600x450.jpg

Puma saying goodbye to shoe boxes
Who: Puma company
What: no longer using shoe boxes
When: second half of this year
Where: unknown
How: cardboard frames wrapped in reusable shoe bags
http://www.msnbc.msn.com/id/36459587

Chameleons have weatherproof tongues
Who: chameleons
What: weatherproof tongues
When: always
Where: everywhere
New research has found that the tongue of this lizard shoots out like a rubber band gun, maintaining high function at even very low temperatures. Understanding how chameleons' ballistic tongues work could lead to advancements in prostheses, sports equipment and more.
http://www.msnbc.msn.com/id/35767647/ns/technology_and_science-science/

Altered tobacco plants suck up pond scum
Who: British scientists
What: tobacco plants
When: right now
Where: Britain
How: By proving that the principle is possible, engineered tobacco is paving the way for a new generation of plants that could clean up environmental problems — and do it cheaply. The tobacco's powers came from implanted genes that produce antibody proteins, which bind to toxins and make them less dangerous.
http://www.msnbc.msn.com/id/35779904/ns/technology_and_science-innovation/