Animal-free reprogramming of adult cells improves safety

Human stem cells produced through genetic reprogramming are beset by safety concerns because current techniques alter the DNA of the stem cells and use material from animals to grow them. Now, A*STAR researchers have developed ...

Reconstructing the life history of a single cell

Researchers have developed new methods to trace the life history of individual cells back to their origins in the fertilised egg. By looking at the copy of the human genome present in healthy cells, they were able to build ...

How sperm get into the zona

Before it can fertilize an egg, a sperm has to bind to and bore through an outer egg layer known as the zona pellucida. Despite decades of research, some of the biological mechanisms behind this process remain unclear. A ...

The virtual keyboard may soon be a reality (w/ Video)

Today we are constantly online and integrated in a virtual existence. Wii and other game modules make it possible to engage the entire body when playing, and soon Google Glasses and similar products will open up a whole new ...

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