For years, people have used yeast to brew beer – now the very same yeast can be used to make cannabinoids, compounds that affect the human central nervous system by binding to cannabinoid receptors. The two major cannabinoids are cannabidiol (CBD) and tetrahydrocannabinol (THC). THC is the main psychoactive compound in cannabis, and is associated…

by Devina Sen Categorization is crucial to shaping our individual experience of the world around us. When our eyes fall on an object we have never seen before, we use prior knowledge of features and old encounters to best categorize and identify the object as something we are familiar with, like concluding that a fluffy…

By Andrea He Many of the salmon steaks you buy at the supermarket are not from freshly-caught wild fish but are instead grown in a controlled pool filled with many other salmon. Aquaculture, or farmed seafood, is an important industry that provides jobs and food for millions of people around the world. However, water sample…

by Andreana Chou There are a plethora of videos showing rats navigating mazes and octopuses opening jars to obtain a reward. You may have also seen one video in particular of a crow dropping objects into a tube of water to raise the water level, understanding water displacement in order to snag a floating treat. In…

by Katheryn Zhou From stories about cyborgs seamlessly controlling artificial bodies to communicating thoughts and images straight from the mind, humans have long dreamed of manipulating their surroundings with the mind alone through telekinesis and telepathy. While we are still not quite in the worlds of Ghost in the Shell, these dreams are no longer…

by Meera Aravinth Graphite, otherwise known as pencil lead, is an everyday material that most people never think about twice. For physicists, however, this mundane item has been a gateway to an interesting exploration of  2D materials and their properties. Graphene is a single layer of carbon atoms and can be formed by using Scotch…

by Xandria Ortiz New research suggests that estrogen signaling prevents the formation of stronger bones. This research was conducted by associate professor Dan Nomura of UC Berkeley’s Nutritional Sciences and Toxicology department, and it has only been conducted on mice. The hormone estrogen and its respective signaling system regulates energy expenditure to allow for optimal reproductive…