Treponema pallidum, a microorganism that can cause a deadly sexually transmitted disease in humans, may have a far more ancient lineage than scientists once thought ...
Each station is to be capable of communication at a speed of 100 five-letter words per minute each way, during a daily ...
In a peer-reviewed analysis, scientists quantify amino acids before and after our “last universal common ancestor.” The last universal common ancestor (LUCA) is the single life form that branched into ...
Modern cells are complex chemical entities with cytoskeletons, finely regulated internal and external molecules, and genetic ...
The origin of life on Earth has been mulled over by scientists for centuries. We now know that life’s building blocks are RNA, amino acids, and cells. But if life originated from the primordial ooze ...
In many submerged regions, murky mud shelters strange life-forms that seem to be the key to one of the biggest mysteries of life on Earth. These creatures belong to a domain of life called the archaea ...
Leafing through the mail at his home outside London one June day 150 years ago, Charles Darwin came across an envelope sent from an island in what is now part of Indonesia. The writer was a young ...
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