'Culture of secrecy' thwarting data sharing in Africa

The absence of a culture for sharing scientific data in many African countries is costing the continent numerous opportunities for accelerating its development, scientists warn.

New stem cell research takes aim at origins of human cancers

How do cells become cancerous, multiply uncontrollably, and form into tumors? And what role do aberrant embryonic stem cells play? These are big questions explored by medical researchers since the embryonic theory of cancer ...

Heat spots reveal growth rate of a galaxy 12 billion years ago

An international team of astronomers has drawn a temperature map of the dust drifting within one of the oldest spiral galaxies of the universe which provides new insights into how fast the galaxy is growing. Until now researchers ...

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