The changing shape of DNA

The shape of DNA can be changed with a range of triggers including copper and oxygen—according to new research from the University of East Anglia.

Facebook, Twitter tighten rules for political ads

Twitter on Thursday announced new guidelines to clearly mark political ads on its platform as Facebook said it began implementing a policy requiring labeling and verification of identities of those paying for political messages.

Scientists shrink chemistry lab to seek evidence of life on Mars

An international team of scientists has created a tiny chemistry lab for a rover that will drill beneath the Martian surface looking for signs of past or present life. The toaster oven-sized lab, called the Mars Organic Molecule ...

Officials: Efforts failing to save US West sagebrush land

Public lands managers are losing a battle against a devastating combination of invasive plant species and wildfires in the vast sagebrush habitats in the U.S. West that support cattle ranching and recreation and are home ...

Facebook to label election-related 'issue ads' in US

Facebook is expanding its advertising disclosure requirements to cover all U.S. ads on polarized issues such as gun control and abortion rights, even if they don't endorse a particular candidate.

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