Answers to Questions Kids Ask! - Where "Why?" Turns to "Wow!"
Genetics is not the only determining factor in figerprint development. The environment in the womb (e.g. what the developing fingers come into contact with) can alter how the pattern of ridges develop. So even though identical twins share the same genes, their fingerprints, although similar, have slight differences.
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Why doesn't it hurt when you cut your finger nails?
It doesn’t hurt because there are no sensory nerves in your finger nails. If you hit your fingernail with a hammer, it hurts because the force is transmitted to the…
Can two brown-eyed parents can have a blue-eyed child?
Yes, they can, and this actually follows the most simple rules of genetics. Blue eyes are, generally speaking, recessive to brown eyes. Say “B” is a gene for brown pigment…
Where do worms go in the winter?
The ground is very insulating. In fact, if you dig down deep enough, it can be very warm. While the ground does lose some heat during the cold winters, for…
What is pi?
By definition, pi is the ratio of the circumference of a circle to its diameter. Pi is always the same number, no matter which circle you use to compute it….
What makes people have different skin colors?
Under your outer layer of skin, there are special cells which make a pigment called melanin. How much melanin there is in your skin determines whether you are light or…
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Born on this day
July 22, 20171888 - Selman Waksman
1926 - Bryan Forbes
1928 - Jimmy Hill
1929 - Vivienne Merchant
1939 - Terence Stamp
1947 - Don Henley
1955 - Willem Dafoe
1964 - Bonnie Langford