Did you know?
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Did you know?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
A herd of barren-ground caribou at the Thelon River. This subspecies is a long-distance migrant
Longer regions have more crossovers and thus higher recombinant frequencies
Growth of Dendritic Spines After Long-Term Potentiation
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
A tightrope walker walks across a 30-m long wire tied between two poles. The center of the wire ...
An 82-kg painter stands on a long horizontal board 1.55 m from one end. This 27-kg board is ...