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News: This Genetic Defect Could Be Why Typhoid Mary Never Got Typhoid Fever

Whether or not a microbe is successful at establishing an infection depends both on the microbe and the host. Scientists from Duke found that a single DNA change can allow Salmonella typhi, the bacteria that causes typhoid fever, to invade cells. That single genetic variation increased the amount of cholesterol on cell membranes that Salmonella and other bacteria use as a docking station to attach to a cell to invade it. They also found that common cholesterol-lowering drugs protected zebrafi...

How To: Design a dozen roses for a vase

This video is a tutorial on how to arrange a dozen yellow roses for a vase. The speed of the video is increased four times faster than the normal rate of speed. The man arranging the flowers does not explain the step-by-step process of his arrangement. The viewer sees the man first arranging green leaves in the vase. Second, he dips the yellow roses into a liquid solution in a separate container before putting them into the vase. The tallest yellow rose is the center rose in the arrangement, ...

How To: Do the liquid rope coil effect science experiment

Check out this cool video where you will learn how to create the liquid rope coil effect. Honey is dribbled off the end of a chopstick into a pot below. As the falling stream stikes the pool of honey below, it turns itself into tight circular coils which rapidly begin to pile one on top of the other. A growing column of liquid coils of rope begin to emerge from above the surface of the honey in the pot in an effect referred to as the liquid rope-coil effect.

How To: Here's How You Can Make a Real Difference in the Aftermath of the Michael Brown & Eric Garner Grand Jury Decisions

In the aftermath of the unindicted police killings of Michael Brown and Eric Garner, we've been told that the system worked as intended. When our legal system's outcome is at conflict with what a majority of Americans believe is just, it's clear that some changes are needed. But what specifically needs to change? And what can an average citizen with a moral and just cause do to prevent these kinds of tragedies from repeating themselves again and again?

How To: Use Live Photos on Your iPhone

Live Photos is exclusive to the iPhone 6S and 6S Plus models, and provides a new dimension to your pictures. When taking a picture, the camera captures moments immediately right before and after you hit the shutter, creating a GIF-like animation that's approximately three seconds long when combined.

How To: Bulk up and gain weight quickly

It seems like people are always trying to lose weight..but what if you have the opposite problem? Whether you’re recovering from an illness, are a growing teen, or you are an athlete trying to bulk up, a little information can go a long way in helping you pack on a few extra pounds.

How To: Apply a desert resistant finish door

Outdoor finishes can be one of the trickiest types of wood finishes to master. Why? Because there is never a one size fits all solution. As woodworkers, we are used to dealing with the seasonal wood movement of our interior pieces. But when one of our creations is destined to live outside, there is much more to consider. Depending on your region's climate, your project could experience anything from snow and ice to hot desert sand storms. How the heck do we prepare for that?!?! Well, it is st...

News: A Double Punch of Viruses & Immunotherapy Could Improve Outcomes for Cancer Patients

Activating the body's own immune system to fight cancer is the goal of immunotherapy. It's less toxic than chemotherapy and works with our body's natural defenses. The trouble is, it doesn't work for most patients — only about 40% of cancer patients get a good response from immunotherapy. But coupling it with another type of cancer therapy just might deliver the punch that's needed to knock out cancer.