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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...
Entanglement Made Simple
...to assign unique, independent states to several q-ons. Similar considerations apply to the evolution of a single q-on in time. We say we have “entangled histories” when it is impossible...
A Unified Theory of Randomness
...curve (for Schramm-Loewner evolution) as the canonical noncrossing random curve. [No Caption]Schramm’s work on SLE curves was a landmark in the study of random objects. It’s widely acknowledged that Schramm,...
Seeing Time Through a Liquid Crystal Display
...stars and planets can form due to gravity and how the chemicals required for life could have originated by prebiotic chemical evolution. With these ideas in mind, let me describe...