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How and why do carcinogens cause cancer?
health.howstuffworks.com/diseases-conditions/cancer/facts/carcinogens-cause-cancer.htm
Why do carcinogens cause cancer? Take a look at studies on common carcinogens and learn how carcinogens cause cancer at Discovery Health.
9 Cold Cases That Have Totally Baffled Investigators
people.howstuffworks.com/cold-cases.htm
Despite how hard investigators work, some crimes just baffle even the most gifted detectives. They go cold. That's where these nine cases stand. Will they ever be solved?
Incredible History: When WWII POWs Held an Olympics in a Nazi Camp
history.howstuffworks.com/world-war-ii/wwii-pow-olympics.htm
For the Polish military officers allowed to participate, the games were a celebration of humanity during a time of death and destruction. But these games demonstrate - to this day - the awesome healing power of sports.
Time, Space and Everything in Between: The Astrophysics Quiz
play.howstuffworks.com/quiz/astrophysics-quiz
The field of astrophysics covers some of the biggest questions about the universe. How did it form? What will happen to it? How do solar systems form? What are stars made of? Is time travel possible? Test your smarts on astrophysics with this quiz.
What Is the Youngest Drinking Age in the World?
people.howstuffworks.com/youngest-drinking-age-in-the-world.htm
Modern states take a variety of approaches to curtail or regulate the drinking of alcoholic beverages by young people. The United States, with its across-the-board minimum legal drinking age of 21, is something of an outlier; many other countries have a lower legal age.
The Dumbo Octopus Is a Deep Sea Ballerina
animals.howstuffworks.com/marine-life/dumbo-octopus.htm
Deep in the ocean, living in eternal darkness, is the dumbo octopus (of the genus Grimpoteuthis), a creature that few humans have seen face-to-face. When someone is lucky enough to spot one, they're often captivated by its charms.
What does your scent say about you?
lifestyle.howstuffworks.com/style/body-scents-fragrances/what-does-your-scent-say-about-you.htm
Your unenhanced scent actually already says a lot about your emotional state and even your metabolism. Find out what your scent says about you.
Some Anglerfish 'Permanently Mate' and Become a Single Being
animals.howstuffworks.com/fish/anglerfish.htm
Most species of the rarely seen anglerfish live up to a mile beneath the ocean, where the females lure prey with a head-dangling hook appendage and permanently fuse with male suitors. It doesn't get much stranger than that.
The Quest to Fix the Grocery Store Tomato
recipes.howstuffworks.com/food-science/quest-to-fix-grocery-store-tomato.htm
Grocery store tomatoes are all but flavorless anymore. A group of scientists is out to bring the ripe, red taste of summer back.
Arlington National Cemetery Is Running Out of Space
Arlington National Cemetery is running low on space. HowStuffWorks looks at the iconic cemetery and what it takes to get in.