New substrates have been developed which can be used to raise stem cells for a wide variety of uses.

There are many symptoms of depression -including feeling sad and no longer being able to enjoy things you typically would, but poor sleep is associated with a particularly serious sign of the condition.

MIT and Harvard Medical School researchers have devised a way to image biopsy samples with much higher resolution — an advance that could help doctors develop more accurate and inexpensive diagnostic tests.

The more regularly people report doing word puzzles such as crosswords, the better their brain function in later life, a large-scale and robust online trial has found.