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A New Step in Re-Creating First Life on Earth
...fastest. This technique, known as experimental evolution, or test-tube evolution, is an artificial version of natural selection. Researchers introduce a few new mutations after each round of the experiment. The...
Why Did Life Move to Land? For the View
...The work has implications for the future evolution of human cognition. Perhaps one day we will be able to take the next evolutionary leap by overcoming what MacIver jokingly calls...
Why Everything in the Universe Turns More Complex
...be widespread. In this new view, biological evolution appears not as a unique process that gave rise to a qualitatively distinct form of matter — living organisms. Instead, evolution is...
The Incredible Shrinking Sex Chromosome
...use to determine sex are in a remarkable state of flux. When one system is destroyed, evolution seems to easily come up with a new one. Birds, fish and snakes...
Killer Virus Is Invading Koala DNA
...into the germ-line genome isn’t unusual on evolutionary timescales. All vertebrates harbor retroviral DNA, molecular relics of infections from the distant past. Human genomes are made of about 8 percent...
In Warm, Greasy Puddles, the Spark of Life?
...properties that don’t fit anything not alive. A few of them are simple: reproduction, evolution, and metabolism. Many scientists study individual steps in the emergence of life, such as how...
In Pursuit of Quantum Biology With Birgitta Whaley
...the atomic structure of DNA. In it, he made the case that quantum physics governs the evolution of “gene molecules” containing the “code” for life. And he proposed that because...
Strange Stars Pulse to the Golden Mean
...a system’s initial state had a proportionally small effect on its resulting fractal journey through its attractor, making its evolution relatively stable and predictable. The future path of a chaotic...
Can Information Rise From Randomness?
...are. To coin a classically mixed neologism, we are Homo enigmatus — in more ways than one. Evolution has made us cognitive beings by giving us small internal rewards whenever...