Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Did you know?
During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Did you know?
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
Microinjecting DNA into a fertilized egg
Biological control agent: a commercially raised parasitoid wasp about to deposit a fertilized egg in
Bug depositing fertilized eggs on a pine needle
Events in human fertilization. The light micrograph shows a fertilized human oocyte.