Sheetal

The Philadelphia Diatom Archive is a way, way, wayback machine

In recent decades, however, the sea has dominated the once dynamic coastline, encroaching ever further inland as sea levels rise. Over the past century, sea level has risen 0.45 meters along New Jersey, more than double the global average of 0.18 meters. By 2100, sea levels could rise by more than a meter. This dramatic …

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How to find your vaccination history – and save it securely

If you want to update an incomplete IIS record, you can request immunization records from previous health care providers, local (city or state) health departments, or your state health department. The CDC recommends checking with parents or caregivers (including checking saved files and baby books), previous schools or employers (including the military), doctor’s offices or …

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The physics of going fast – but not too fast – down a giant slide

The only difference really is that this is a downward curved path where the center of this circular curve is under the slide instead of over it. (Again, the gray C-shape represents the rider’s path down the slide and the circular trajectory of his body, and the dot is the center of the circle.) This …

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There’s new evidence that Crispr can edit genes in the human body

The Crispr components can’t get into cells naturally on their own, so Intellia uses a delivery system called lipid nanoparticles — essentially tiny sacs of fat — to deliver them to the liver. In Intellia’s studies, patients receive a single intravenous infusion of these Crispr-loaded nanoparticles into the veins of their arms. Because blood flows …

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Lawn is stupid. But ripping them out can have a catch

But overall, says Ian McRae, a University of California, Berkeley innovation designer who studies climate resilience in the built environment, lawns are an inefficient way to cool a green space compared to building a diverse grouping of native plants that are more aesthetically pleasing , Water -efficient and conducive to biodiversity. “We love our lawns …

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