Biology


A new study using small Chinook salmon "parr " found the fish use the Earth's magnetic field to orient themselves.
A team of scientists last year presented evidence of a correlation between the migration patterns of ocean salmon and the Earth's magnetic field, suggesting it may help explain how the fish can navigate across thousands of miles of water to find their river of origin.

Health & Medicine

Scientists have for the first time sequenced an ancient RNA genome – of a barley virus once believed to be only 150 years old - pushing its origin back at least 2,000 years and revealing how intense farming at the time of the Crusades contributed to its spread.

Molecular & Cell Biology


This image shows iPS cells (green) generated using histone variants TH2A and TH2B and two Yamanaka factors (Oct3/4 and Klf4).
One major challenge in stem cell research has been to reprogram differentiated cells to a totipotent state. Researchers from RIKEN in Japan have identified a duo of histone proteins that dramatically enhance the generation of induced pluripotent stem cells (iPS cells) and may be the key to generating induced totipotent stem cells.




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