“We have a tendency to think of health and youth as the normative state of being,” YooJKim explains. Here’s why that can be harmful—and what to do instead.
–health is temporary. No matter what we do, our body and mind will eventually break down and cease to function. And yet, we have a tendency to think of health and youth as the normative state of being.that many Americans wrongly believe that they are healthier than they actually are. For example, among obese participants, 68 percent believed that they were healthy or healthier than the average person, and among tobacco smokers, 85 percent believed that they were healthier than the norm.
Once we understand this, we will also realize that one day, we will all suffer a decline in our health . This would push society to prepare for the inevitable by increasing accessibility for those with different abilities.
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Deep Zoom-In Simulation of a Fuzzy Dark Matter Galactic HaloFuzzy dark matter (FDM) made of ultralight bosonic particles is a viable alternative to cold dark matter with clearly distinguishable small-scale features in collapsed structures. On large scales, it behaves gravitationally like cold dark matter deviating only by a cutoff in the initial power spectrum and can be studied using $N$-body methods. In contrast, wave interference effects near the de Broglie scale result in new phenomena unique to FDM. Interfering modes in filaments and halos yield a stochastically oscillating granular structure which condenses into solitonic cores during halo formation. Investigating these highly nonlinear wave phenomena requires the spatially resolved numerical integration of the Schr\'odinger equation. In previous papers we introduced a hybrid zoom-in scheme that combines $N$-body methods to model the large-scale gravitational potential around and the mass accretion onto pre-selected halos with simulations of the Schr\'odinger-Poisson equation to capture wave-like effects inside these halos. In this work, we present a new, substantially improved reconstruction method for the wave function inside of previously collapsed structures. We demonstrate its capabilities with a deep zoom-in simulation of a well-studied sub-${L}_{*}$-sized galactic halo from cosmological initial conditions. With a particle mass of $m=2.5\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}22}\text{ }\text{ }\mathrm{eV}$ and halo mass ${M}_{\mathrm{vir}}=1.7\ifmmode\times\else\texttimes\fi{}{10}^{11}\text{ }\text{ }{M}_{\ensuremath{\bigodot}}$ in a $(60\text{ }\text{ }{\mathrm{h}}^{\ensuremath{-}1}\text{ }\text{comoving Mpc}{)}^{3}$ cosmological box, it reaches an effective resolution of 20 comoving pc. This pushes the values of $m$ and $M$ accessible to simulations significantly closer to those relevant for studying galaxy evolution in the allowed range of FDM masses.
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Astrophysicists devised a new method to simulate a 'fuzzy' dark matter galactic haloScientists have recently proposed a way to simulate dark matter, which accounts for roughly 85 percent of all the matter in the universe.
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Allegations of industry influence rock mine safety commissionA Republican commissioner on a federal mine safety agency sought advice on personnel matters from a closely held collection of outside advisers that appears to have included at least one coal industry executive, according to documents obtained by POLITICO
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Astrophysicists devised a new method to simulate a 'fuzzy' dark matter galactic haloScientists have recently proposed a way to simulate dark matter, which accounts for roughly 85 percent of all the matter in the universe.
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