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 heavy winter coat with countershading in a mixed-breed dog
One of the reasons I went to Cambodia was to interview a feral child—the boy shown here—who ...
Use of Numbers in Correspondence
Model of how direct repeats generated during the insertion of a transposon or an insertion sequence
Numbers 11-12 anwer only.
A karyotype shows this child has three copies of chromosome 21.