The (Im)permanence of Memory

“Memories are one-way communication with the future.” -Scott Aaronson (probably) When you first start learning about physics, you’re taught a great deal of things concerning objects at rest and in motion—balls and springs, wheels and pulleys. You learn equations and techniques for accurately describing how these simple systems evolve in time. A bit later, you
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Greenhouse Gases versus Glass Greenhouses

The way things are named in science can be confusing. In physics and physical chemistry, we have penguin diagrams and Proton-Enhanced Nuclear Induction Spectroscopy (PENIS)—names that were intended to be funny but are not particularly descriptive. We also have naming conventions that reflected the best thinking at the time they were developed, but now remain
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Location, location, location: how methylation relates to mutations

When it comes to mutations, location counts. Mutations, which are alterations to an organism’s DNA sequence, can have effects ranging from causing cancer to fueling evolution, depending on when and where they occur. And mutations don’t strike at random—they affect some regions of the genome many orders of magnitude more frequently than others. Of the
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