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Author Question: Calculate the wavelength of a neutron that has a velocity of 250 cm/s. (The mass of a neutron = 1.675 1024 g) (Read 33 times) |
Vaccines prevent between 2.5 and 4 million deaths every year.
The longest a person has survived after a heart transplant is 24 years.
The human body produces and destroys 15 million blood cells every second.
A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.