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Are we looking for aliens in the wrong places?
science.howstuffworks.com/weird-life.htm
Weird life may be organisms that don't depend on water or that don't have DNA at all. Find out how scientists are searching for weird life forms.
Why would scientists want to create a hybrid human-cow embryo?
science.howstuffworks.com/life/genetic/human-cow-embryo.htm
This week, a group of London-based scientists requested official permission to begin a three-year study involving stem cells derived from human-cow hybrids.
How Fingerprinting Works
science.howstuffworks.com/fingerprinting.htm
Fingerprinting is a popular technique for identifying criminals and authenticating access. Learn about fingerprinting and its storied history.
Does Your Body Really Replace Itself Every Seven Years?
science.howstuffworks.com/life/cellular-microscopic/does-body-really-replace-seven-years.htm
Your body replaces billions (with a b!) of cells every day. In about 100 days, 30 trillion be replaced, but does that mean you're a new person, too?
What's stronger -- nature or nurture?
science.howstuffworks.com/life/evolution/nature-nurture.htm
Nature or nurture and which is stronger is explained in this article from HowStuffWorks. Find out if nature or nurture is stronger.
Will the Hayflick limit keep us from living forever?
science.howstuffworks.com/life/genetic/hayflick-limit.htm
With the discovery of the Hayflick limit, we know that cells could divide forever without dying. So can humans live forever? Explore the Hayflick limit.
5 Female Scientists You Should Know
science.howstuffworks.com/innovation/scientific-experiments/5-female-scientists.htm
From a centenarian brain expert to a mistress of Voltaire, each of these female scientists has an incredible story. Do you want to meet them?
How Human Migration Works
science.howstuffworks.com/life/evolution/human-migration.htm
Human migration is the idea that humans developed in Africa and then spread to Europe and Asia. Learn about human migration and how human migration works.
How Forensic Dentistry Works
science.howstuffworks.com/forensic-dentistry.htm
Forensic dentistry, also known as forensic odontology, is a way of identifying people by their teeth. Forensic dentistry encompasses bite-mark analysis.
4 Facts About Phosphate, the Chemical Compound That's Everywhere
science.howstuffworks.com/phosphate.htm
You might wonder what phosphates do, but they are so intrinsic to our daily lives that the question really is: What don't phosphates do?