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How Do Birds Know When to Fly South and Where to Go?
animals.howstuffworks.com/birds/bird-migration.htm
During the fall months, you may see unfamiliar birds in your area as those from the north begin to fly south. But how do they know when it's time to migrate and where to go?
Should people with freckles wear foundation?
health.howstuffworks.com/skin-care/beauty/skin-and-makeup/people-with-freckles-wear-foundation.htm
Should people with freckles wear foundation? Visit HowStuffWorks to learn if people with freckles should wear makeup.
Is the brain hardwired for religion?
science.howstuffworks.com/life/inside-the-mind/human-brain/brain-religion.htm
Is the brain hardwired for religion? Proponents of neurotheology think it may be. Learn how science is figuring out if the brain is hardwired for religion.
Are people without wisdom teeth more highly evolved?
science.howstuffworks.com/life/evolution/no-wisdom-teeth.htm
If wisdom teeth are so wise, why do they keep sprouting in the gums of people who don't need them anymore? Should a lack of wisdom teeth give you bragging rights as a highly evolved human?
What is corn plastic?
science.howstuffworks.com/environmental/green-science/corn-plastic.htm
Corn plastic is made from polylactic acid plastic and looks like normal oil-based plastic. But can corn plastic reduce our dependence on foreign oil?
Do people who sweat a lot eat more salty foods?
health.howstuffworks.com/wellness/men/sweating-odor/sweat-and-salty-food.htm
Do people who sweat a lot eat more salty foods? Visit Discovery Health to learn if people who sweat a lot eat more salty foods.
How can soft tissue exist in dinosaur fossils?
science.howstuffworks.com/environmental/earth/geology/soft-tissue-dinosaur.htm
Soft tissue in dinosaur fossils is very rare, and when it does turn up it often contains many surprises. Learn about soft tissue in dinosaur fossils.
Does the Immortal Jellyfish Actually Live Forever?
animals.howstuffworks.com/marine-life/immortal-jellyfish.htm
The immortal jellyfish, known as Turritopsis dohrnii, has the ability to reverse age and theoretically live an eternal life. Because of its ability to regrow its cells, it could theoretically escape death over and over again.
Being a Night Owl Can Shorten Your Life
health.howstuffworks.com/mental-health/sleep/disorders/being-night-owl-may-shorten-life.htm
Some people's sleep cycles are simply out of tune with the rest of the world. HowStuffWorks looks at the science of insomnia.
Half the World Will Be Nearsighted by 2050
health.howstuffworks.com/human-body/systems/eye/half-the-world-will-be-nearsighted-2050.htm
It's estimated that a shocking 5 billion people will be nearsighted by 2050. HowStuffWorks Now examines the reasons why.