Scientists create first stable semisynthetic organism

Life's genetic code has only ever contained four natural bases. These bases pair up to form two "base pairs"—the rungs of the DNA ladder—and they have simply been rearranged to create bacteria and butterflies, penguins ...

How and why single cell organisms evolved into multicellular life

Throughout the history of life on Earth, multicellular life evolved from single cells numerous times, but explaining how this happened is one of the major evolutionary puzzles of our time. However, scientists have now completed ...

Chromosomes look different than you think

In high school textbooks, human chromosomes are pictured as wonky Xs like two hotdogs jammed together. But those images are far from accurate. "For 90 percent of the time," said Jun-Han Su, "chromosomes don't exist like that."

Single-celled predator evolves tiny, human-like 'eye'

A single-celled marine plankton evolved a miniature version of a multi-cellular eye, possibly to help see its prey better, according to University of British Columbia (UBC) research published today in Nature.

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