Biology


The arapaima fish, which once dominated Amazon fisheries, is long and can weigh as much as 400 pounds.
An international team of scientists has discovered that a large, commercially important fish from the Amazon Basin has become extinct in some local fishing communities.

Molecular & Cell Biology


A peptide responsible for cell communication in the brain, Vip (green) is reduced in the brains of mice that have little or no Lhx1 (right).
Scientists at the Salk Institute for Biological Studies have identified a gene that regulates sleep and wake rhythms.

Health & Medicine

The Ebola outbreak in West Africa has brought a lot of attention to the deadly virus. According to the World Health Organization, up to 90% of those infected with Ebola die from the virus. Now, researchers publishing August 13 in the Cell Press journal Cell Host & Microbe reveal how Ebola blocks and disables the body's natural immune response. Understanding how Ebola disarms immune defenses will be crucial in the development of new treatments for the disease.




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