Spatiotemporal segregation of chiral supramolecular polymers

In 1848, Louis Pasteur successfully segregated two types of crystals of double sodium-ammonium salt of tartaric acid, which were mirror images of each other. Back then, this was done manually through a painstaking process ...

80-year-old mystery in static electricity finally solved

Historically, contact electrification (CE) was humanity's first and only source of electricity up until around the 18th century, yet its true nature is still elusive. Today it is considered a core component of technologies ...

Drawing data at the nanometer scale

A method to draw data in an area smaller than 10 nanometers has been proposed in a recent study published in Physical Review Letters

The invention of a flexible endoscope thinner than a needle

If you are used to getting regular health checkups, you might be familiar with endoscopes. The endoscope is an imaging device consisting of a camera and a light guide attached to a long flexible tube. It is particularly useful ...

Uncovering the secret of insulin growth factor ternary complex

Insulin-like growth factor (IGF) is a hormone that greatly influences growth in fetuses and children, but also body maintenance and metabolism in adults. IGF regulates cell proliferation, differentiation, and survival by ...

Distinguishing scientific results from experimental artifacts

While conducting fieldwork at a lab at Princeton University, Talia Dan-Cohen, associate professor of sociocultural anthropology at Washington University in St. Louis, observed a common but perplexing problem. For her book ...

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