Bird Flu, Swine Flu, Human Flu
Influenza, unlike many viruses that make humans sick, can also affect birds and pigs. Generally strains of the influenza virus that causes disease in people are slightly different from those that affect birds and pigs. People and pigs can catch flu from each…
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Geology
A Big, Big Wave
A tsunami (pronounced 'soo-nah-mee') is a series of waves of extremely long wave length and long period…
Astronomy
A Satellite Of Our Own
The regular daily and monthly rhythms of Earth's only natural satellite, the Moon, have guided timekeepers for…
Medicine
What Is A Cerebral Aneurysm?
A cerebral aneurysm is the dilation, bulging or ballooning out of part of the wall of a vein or artery in the…
Geology
Wetter not Necessarily Better in Amazon Basin
June through September is the dry season for the Amazon Basin of South America. Yet the basin's dry season may…