Cacti Species Search Results

How To: Raise pigs

In these videos on raising farm animals, learn the basic facts about pigs. Our expert naturalist will discuss some of the major characteristics of this species, as well as tips for raising them, including stages of pig growth, eating habits and digestion, housing , common problems, signs of disease, keeping pigs as pets, breeding and piglet care and development.

How To: Make Aspirin from a Willow Tree

In this article, I will be showing you how to make a crude form of aspirin from the bark of a willow tree. It is a great remedy for headaches, hangovers, and other minor pain. The use of the willow tree as a mild pain reliever goes back to the Native Americans, who used it in much the same way that I do.

News: Frustrated by Acne? New Research Shows Skin Microbiome Makes a Difference

The squiggly guys in this article's cover image are Propionibacterium acnes. These bacteria live in low-oxygen conditions at the base of hair follicles all over your body. They mind their own business, eating cellular debris and sebum, the oily stuff secreted by sebaceous glands that help keep things moisturized. Everybody has P. acnes bacteria—which are commonly blamed for causing acne—but researchers took a bigger view and discovered P. acnes may also play a part in keeping your skin clear.

News: Scientists Are Using the Special Physics of Dragonfly Wings to Create Surfaces That Shred Bacteria on Contact

As drug-resistant bacteria become more commonplace, researchers are looking for new antibacterial strategies to disrupt disease-causing microbes. Some scientists are working to create new drugs, while others are trying out drug combinations. Another group, however, are ditching pharmaceuticals altogether and experimenting with non-drug alternatives.

News: Augmented Reality Surprised Sundance Film Festival with a Journey into the Human Brain

The largest and arguably most widely known event of its type, especially in the US, the Sundance Film Festival is an annual celebration of independent film—ones made outside the Hollywood system. This year, a new type of experience appeared at the Sundance Film Festival in an installation called "The Journey to the Center of the Natural Machine." This mixed reality presentation offered the user the newest type of storytelling in a long and important line—continuation of the species kind of im...

How To: The Science of Sourdough & Why It Tastes So Much Better in San Francisco

As a lover of food, I'm often asked, “If you could only have one food the rest of your life, what would it be?” My answer is always the same: sourdough bread. (Okay, it's not always the same... I usually cheat and say sourdough, fancy cheese, and a good beer.) Admittedly, I'm biased by my own sentimentality. My mother is an expert bread baker, with a major in making sourdough. Her sourdough starter is older than I am, and in all honesty, she's made thousands of loaves, each better than the ne...

How To: Make Your Own Pesto Plus

Among the many gifts that Italy has bestowed upon the world, culinary and otherwise, pesto stands alone. The exact birthplace of pesto, that herby sauce made of pine nuts and olive oil, is an area of Italy called Liguria, whose microclimate is particularly kind to basil, one of pesto's key ingredients.