27/05/2015

Why Americans can't buy some of the best sunscreens

With summer nearly here, U.S. consumers might think they have an abundance of sunscreen products to choose from. But across the Atlantic, Europeans will be slathering on formulations that manufacturers say provide better ...

Expanding the code of life with new 'letters'

The DNA encoding all life on Earth is made of four building blocks called nucleotides, commonly known as "letters," that line up in pairs and twist into a double helix. Now, two groups of scientists are reporting for the ...

Tablets can help elderly cross the 'digital divide'

One way to help the elderly cross what's known as the "digital divide" is the use of tablets, those smaller, lighter, easy-to-use computers that seem to be taking the place of laptops.

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