Archive: Nov 2018

Everyone on Earth is familiar with gravity to some extent; it is the force that pulls us down to the planet’s surface. In fact, all objects with mass tug on other objects moving around them because of gravity. The strength of the gravitational pull…

If you have ever swatted a spider web away from a dusty corner of the house, congratulations—you have unknowingly dismantled one of the toughest materials known to man. The silk which spiders use to spin their webs and capture prey is five times stronger…

In a basement vault near Paris, under a series of nested bell jars, sits a one kilogram platinum-iridium cylinder. Even as it wears away or collects dust particles, it is still exactly one kilogram. That’s because it is the kilogram: “Le Grand K.” For…

by Julian Segert figures by Aparna Nathan In Mountain View, California, near the headquarters of Facebook and Google, lies 23andMe, a company that set out to make genetic testing approachable and affordable for the general public. The company started…

by Jordan Wilkerson figures by Rebecca Senft The blue, glimmering Pacific Ocean. On his 1997 trip from Hawaii back to the US mainland, Captain Charles Moore expected captivating views of its pristine waters. After all, he’d be sailing across one of the…

Over the past decade, the gut microbiome and its effects on human health have become a topic of considerable interest in the scientific community and popular media. The gut microbiome is composed of bacteria that naturally reside in the gastrointestinal…

An investigation of individuals with chronic low back pain revealed that a disruption of normal brain activity patterns is related to worse perceived pain. Use of targeted electrical stimulation showed an increase in normal brain activity and reduced…

Aging and prolonged use of contact lenses can cause eye diseases like glaucoma, macular degeneration, and corneal neovascularization. Common treatment methods such as eye drops require repetitive application because the cornea (the outer protective…

We have come a long way in treating HIV over the past two decades. By following a strict drug regimen, an HIV positive patient can stave off the onset of AIDS for many years. These drugs are expensive, however, and they come with side-effects.…

The matter in our universe is made of atoms; atoms are made of protons, neutrons, and electrons; and protons and neutrons are made of quarks. In our current theory of particle physics, electrons and quarks are elementary particles–they are the…