480-million-year-old fossils reveal sea lilies' ancient roots

Sea lilies, despite their name, aren't plants. They're animals related to starfish and sea urchins, with long feathery arms resting atop a stalk that keeps them anchored to the ocean floor. Sea lilies have been around for ...

Embryonic stem cells produced in living adult organisms

A team from the Spanish National Cancer Research Centre (CNIO) has become the first to make adult cells from a living organism retreat in their evolutionary development to recover the characteristics of embryonic stem cells.

Americans move to 'dual screens' to watch debates

More than one in 10 of the Americans who watched last week's presidential debate were "dual screeners"—watching on television while following on a computer or mobile device.

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