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How Ecotypes Harbor the Genetic Memory of a Species’ Past
...On the Origin of Ecotypes Over the years, evolutionary biologists have debated whether ecotypes are a first step in the evolution of new species. Are thick- and thin-shelled snails, marine...
How the Bird Eye Was Pushed to an Evolutionary Extreme
...yet it worked with no apparent blood perfusion,” said Christian Damsgaard, an evolutionary physiologist at Aarhus University. “It was a complete paradox.” For centuries this has puzzled scientists, who figured...
The Hidden Mathematical Dance Inside Plant Cells
...cell sparsely enough to meander and hide efficiently when they need to. “The beautiful thing we see here is what a great designer evolution is,” said Dakota McCoy, an evolutionary...
What Physical ‘Life Force’ Turns Biology’s Wheels?
...“You can assume the system is working optimally,” said Aravinthan Samuel, a biophysicist at Harvard University. Evolution has created the flagellar motor, a combination propeller/brain that enables single-celled bacteria to...
The Ancient Weapons Active in Your Immune System Today
...proceeds at a slower pace. By taking advantage of the rapid evolution of bacterial and viral weapons, insects and other eukaryotes can accelerate their own evolutionary process to stay a...
Why Do We Tell Ourselves Scary Stories About AI?
...The public, awed and afraid, marvels at the capabilities of AI. “Four billion years of evolution have demonstrated that anything that wants to survive learns to lie and manipulate,” Harari...
Disorder Drives One of Nature’s Most Complex Machines
...of complex life, evolution created a container for DNA, its most treasured item. A few billion years later, 20th-century microscopists looked at this container — the nucleus — up close...
Can the Most Abstract Math Make the World a Better Place?
...Stocks and flows are just objects and morphisms of a category. The arrangement of boxes and arrows in the diagrams translates into equations describing the system’s evolution. Over the last...
Break It To Make It: How Fracturing Sculpts Tissues and Organs
...hours of splitting, the cells sealed back together again. And these fractures were constructive, sculpting new shapes from developing tissues, in an evolutionary approach that scientists are uncovering across the...