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Tsar Bomba: The Most Powerful Nuclear Weapon Ever Built
science.howstuffworks.com/tsar-bomba.htm
In 1961, the Soviet Union detonated the Tsar Bomba, still the biggest, most powerful nuclear bomb ever built. One of the cameramen who recorded the event said it sounded "as if the Earth has been killed."
The Rendlesham Forest Incident
science.howstuffworks.com/space/aliens-ufos/rendlesham-forest-incident.htm
In the Rendlesham Forest incident, triangular UFOs appeared in England and landed on multiple nights. Several groups of witness and investigators observed the glowing objects flying about. Learn more about the Rendlesham Forest incident.
1944 Ford GPW
auto.howstuffworks.com/1944-ford-gpw.htm
A lesser-known jeep prototype -- the extremely rare 1944 Ford GWP Military Jeep -- was made for the Army by Ford during World War II. Learn more.
1985 Yamaha RZ 500
auto.howstuffworks.com/1985-yamaha-rz500.htm
The 1985 Yamaha RZ 500 motorcycle had extraordinary performance, but was too wild for some. See pictures and learn about the potent Yamaha RZ 500.
Do Kangaroos Really Box?
animals.howstuffworks.com/mammals/do-kangaroos-really-box.htm
The boxing kangaroo as a symbol of the Australian fighting spirit dates back to the 1890s, but what's the truth? Do kangaroos actually box?
Countries That Start With 'O'
history.howstuffworks.com/world-history/countries-that-start-with-o.htm
Former countries that start with "O" include Orange Free State and Oldenburg but these states have since dissolved. There is now one remaining holdout between Asia and Africa: the Sultanate of Oman.
Bombay Cat vs. Black Cat Traits: Not All Black Cats Are Bombays
animals.howstuffworks.com/pets/bombay-cat-vs-black-cat.htm
Pinpointing Bombay cat vs. black cat characteristics can be tricky if you don't know exactly what to look for. How closely are you looking at a cat's whiskers, nose and paw pads?
Goodbye, Melomys: Climate Change Claims Its First Mammal Species
animals.howstuffworks.com/mammals/climate-change-mammal-melomys-extinct.htm
The Bramble Cay melomys is the first mammal extinct due to climate change. Learn more about the Australian melomys in this HowStuffWorks Now article.
Guy Who Set the Paper Airplane World Record Shows How It's Done
Paper airplanes are much more than child's play.
This Gorgeous New Sea Slug Species Needs a Name
animals.howstuffworks.com/marine-life/sea-slug-nudibranch-australia-species-name-contest.htm
A new species of nudibranch in Australia will be named by contest. Learn more about this sea slug naming contest in this HowStuffWorks Now article.