Science behind alcohol policy: The why, the what, and the howPezzolesi, Robert
Hair is made up of proteins called keratin and melanin, which are arranged in a cortex. The cortex determines the hair’s natural shape, which is determined by the follicle. Heat styling rearranges the proteins by breaking the hydrogen bonds between them. This is a temporary change. Permanent...
Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific American maintains a strict policy of editorial independence in reporting developments in science to our...
Climate change is difficult to handle, but this doesn’t mean people are just sitting on the sidelines waiting for the unavoidable. Everyone can join in fighting climate change. Here are some citizen-science projects in which you can take part. ...
What Is a Headache? The Science Behind the Pain Share Whether you’re under pressure, under the weather, or just hit by a sudden storm of pain — virtually all of us have experienced a headache at some point or another. The most common of all are what doctors call “tension-type” hea...
Don't miss the chance to realize your dream. 题目The passage is probably taken from a ___ A. report B. magazine C. text book D. science book 5. 推断文中未曾说出的内容: ① What do you think had happened before ___? ② What do you think would happen after ___? ③ This event...
intertwined with the theory of automaticity, which is the idea that students develop their word recognition skills enough so they’re able to focus their energy on understanding what they’re reading. Automaticity is a necessary component of fluency, but it also takes time and practice to develop...
It’s the science of matter—everything that takes up space and has mass—and how it behaves and changes. Pin What is Chemistry? Chemistry is the study of matter and how it changes. Matter is everything that has mass and takes up space, like the air we breathe, the water we drink...
Experts are finding, though, that burnout doesn't limit its impact to the workplace. It also impacts parts of your life that extend well beyond the pharmacy.
An earthquake is what happens when the seismic energy from plates slipping past each other rattles the planet's surface. Those seismic waves are like ripples on a pond, the USGS said. The earthquake will be strongest at its epicenter, the point on the surface directly above where the quake ...