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Getting more energy from the sun: how to make better solar cells

  • Written by The Conversation Contributor
imageSolar panels on a Walmart roof, Mountain View, California.Walmart/Flickr, CC BY

Global demand for energy is increasing by the hour as developing countries move toward industrialization. Experts estimate that by the year 2050, worldwide demand for electricity may reach 30 terawatts (TW). For perspective, one terawatt is roughly equal to the power of...

Read more: Getting more energy from the sun: how to make better solar cells

President Trump? Not likely

  • Written by The Conversation Contributor

The GOP nomination is within Donald Trump’s grasp.

Trump’s decisive victory in the Indiana primary on Tuesday night drove his two final challengers to withdraw from the race. Whatever hopes the GOP establishment still harbored of a brokered convention ended when Ted Cruz dropped out of the race on Tuesday night and John Kasich dropped...

Read more: President Trump? Not likely

Larry Wilmore's use of the 'n-word' highlights tension Barack Obama, all African-Americans feel

  • Written by The Conversation Contributor

This spring, over 2,000 Washington insiders, journalists and Hollywood elite filtered into the ballroom of the Washington Hilton to attend the White House Correspondents' Association annual dinner.

The first comedian to perform for the group was Mark Russell in 1983. His political songs were full of puns, satire and mugging to the crowd. He was...

Read more: Larry Wilmore's use of the 'n-word' highlights tension Barack Obama, all African-Americans feel

Should you be worried about PFOA in drinking water? Here's what we know

  • Written by The Conversation Contributor
imageThe chemical PFOA, used in common coatings, was found in elevated levels in the water supply of Hoosick, New York earlier this year. dougtone/flickr, CC BY-SA

Over the past few months, several communities in upstate New York and New England have detected PFOA – perfluorooctanoic acid, or C8, a chemical linked to a range of health issues from...

Read more: Should you be worried about PFOA in drinking water? Here's what we know

'Ultracool' dwarf star hosts three potentially habitable Earth-sized planets just 40 light-years away

  • Written by The Conversation Contributor
imageImagined view from the surface of one of the newly discovered planets, with ultracool dwarf star TRAPPIST-1 in the background.ESO/M. Kornmesser, CC BY

The search for Earth-like planets – and life – beyond the solar system has long been the stuff of science fiction and fantasy. But today’s ground and space telescopes,...

Read more: 'Ultracool' dwarf star hosts three potentially habitable Earth-sized planets just 40 light-years...

More Articles ...

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  32. It bears repeating: how scientists are addressing the 'reproducibility problem'
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  42. The rise and fall of Theranos: so many lessons in a drop of blood
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