Arsenic-Eater Redefines Life

A bacterium found in the arsenic-filled waters of a Californian lake is poised to overturn scientists' understanding of the biochemistry of living organisms, says Nature.

A bacterium found in the arsenic-filled waters of a Californian lake is poised to overturn scientists' understanding of the biochemistry of living organisms. The microbe seems to be able to replace phosphorus with arsenic in some of its basic cellular processes — suggesting the possibility of a biochemistry very different from the one we know, which could be used by organisms in past or present extreme environments on Earth, or even on other planets. Scientists have long thought that all living things need phosphorus to function, along with other elements such as hydrogen, oxygen, carbon, nitrogen and sulphur.

How to split the USA into two countries: Red and Blue

Progressive America would be half as big, but twice as populated as its conservative twin.

Image: Dicken Schrader
Strange Maps
  • America's two political tribes have consolidated into 'red' and 'blue' nations, with seemingly irreconcilable differences.
  • Perhaps the best way to stop the infighting is to go for a divorce and give the two nations a country each
  • Based on the UN's partition plan for Israel/Palestine, this proposal provides territorial contiguity and sea access to both 'red' and 'blue' America
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Too much sleep results in cognitive decline, researchers find

We know the dangers of too little sleep. Now for the other side of the story.

Photo: Vladislav Muslakvo / Unsplash
Surprising Science
  • Western University researchers found that sleeping over eight hours per night results in cognitive decline.
  • Oversleepers suffer similar difficulties on certain cognitive tests as those who sleep under seven hours.
  • Not all the news is bad: One night of oversleeping results in a cognitive boost.
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Compelling speakers do these 4 things every single time

The ability to speak clearly, succinctly, and powerfully is easier than you think

Former U.S. President Barack Obama speaks during a Democratic Congressional Campaign Committee rally at the Anaheim Convention Center on September 8, 2018 in Anaheim, California. (Photo by Barbara Davidson/Getty Images)
Personal Growth

The ability to communicate effectively can make or break a person's assessment of your intelligence, competence, and authenticity.

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