Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Did you know?
It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
Killer whales, like this one spotted near Alaska, commonly breach, often lifting their entire bodies
?A Brumby that was caught in the Apsley River Gorge.
volvox green algae (protist)
The Old River Flood Control Structures
George Green. …marooned in dreaming: a path of song and mind.
A box contains red, yellow and green marbles. Half of the marbles are red, 1/8 of the remaining ...