Critical Nature Search Results

How To: Explore Density, Viscosity & Miscibility with a Colorful Layered Liquid Science Experiment

Ever wonder why Jupiter has those colored bands across its surface? Jupiter's enormous mass is made from an array of different liquids, and those fluids do not play well together because of their different makeup. All of the hydrogen- and helium-based fluids are thought not to be miscible, which means that they aren't homogeneous in nature, resulting in strikingly beautiful bands across the planet's surface. But what about viscosity and how that correlates to the development of planets? What ...

How To: Perform a full cardiac exam on a patient (heart exam)

In this video, doctors can learn how to perform a full cardiac examination on a patient. The very first thing a doctor should do is visually inspect the patient, because there's a lot that can be gained by simply examining by eye. You'll want to carefully examine the respiratory pattern of the patient, the nature of their precordium, the anterior part of their chest over the heart. Feeling the pulse is also necessary when starting out this heart exam. To learn more, watch the full video.

How To: Do a urinary catheterization procedure on a male

One of the hardest things a man can go through in life is a trip to the hospital, especially when he knows he's going to need a catheter. It's every man's worst fear. But for a nurse, it's necessary knowledge. Learning the male urinary catheterization procedure hands-on is difficult due to the urgency involved in patient care, so this video aims to prepare nurses so they can learn and stay fluent with the proper urinary catheterization technique of a male patient.

How To: Make nitric acid

Watch this science video tutorial from Nurd Rage on how to make nitric acid. They show three ways to make nitric acid based on two different chemical approaches, both of which can be done using easily accessible materials.

How To: Employ the tennis footwork ready position

The ready position is the position you want to be in when you're waiting for your opponent to hit you the tennis ball. It's the foundation for tennis movement in general. From this position you can employ the various footwork patterns that let you move around the tennis court correctly. The ready position is very similar to an athletic stance in basketball. Your feet are a little bit wider than shoulder-width apart, your knees are slightly bent and the weight should be on the balls of your feet.

How To: Use proper footwork in tennis

Footwork is probably the most important part of tennis. Unfortunately, it is also one of the most underrated areas of the sport. Learning to move around the tennis court correctly is EXTREMELY important. Correct footwork lets you use correct stroke mechanics when you hit. Correct footwork is what typically sets advanced tennis players apart from everyone else.

Use tennis footwork move: back foot up

Bringing your back foot up after you hit the tennis ball puts you in position to recover back to the middle of the tennis court. The key, as we explain in this video, is to get your body facing the net after you hit (similar to the ready position). This will let you side shuffle back to the middle of the tennis court.

How To: Pass a California DMV Driving Test

If all things go well, you'll only have to take your road test once. That's the goal: to ace your test on the first try and then start driving on your own. Granted, it's a nerve-racking experience, but keep in mind that the California Department of Motor Vehicles wants you to pass. So much so, they give you the examination answers ahead of time! All you have to do is study.

How To: Play the guitar chords to "Handle with Care" by the Traveling Wilburys

Today is the anniversary of George Harrison's death nine years ago in 2001, and we thought a commemorative music lesson was in order. And instead of the usual Beatles fare, we thought we'd show you something a little less known, but just as good— "Handle with Care" by the Traveling Wilburys. Many still aren't familiar with the Traveling Wilburys, despite the superstar musicians involved, but that doesn't change the fact that these guys were awesome!

How To: Identify problems with pecans & pruning grapevines

Master Gardener Rosamarie Maddox asks John White, Doña Ana County Extension Agent, about problems facing her pecans, grapevines, and native shrubs. An unidentified insect found on her pecan tree is identified by John White as a Twice Stabbed Ladybug. This ladybug is a useful insect that often over-winters on the tree and helps takes care of the aphid problems faced by pecans. Pink fuzzy coating on pecan nuts is also brought up. The coating is normal for pecan and contains bitter tannin. Too m...

How To: Make a hummingbird feeder & food

Catching sight of a hummingbird floating from flower to flower is one of those rare gifts from nature. In this quick and easy guide, use a little bit of science and learn how to make a hummingbird feeder that will attract all the birds in the yard.

How To: Throw a cast net for live bait

The best way to fish is with live bait, but buying bait can be expensive and it isn't always guaranteed fresh. Once you learn how to cast your own bait you will be able to catch large amounts of bait fish on your own, and cut out the middle man. Happy fishing!

How To: Use Zotero to create bibliographies & citations

Learn to use Zotero to create bibliographies and citations with this tutorial. In addition, collect and organize information from all sources. So help correct the sources research paper. Before using the excitation features, make sure to select and prepare the style of your paper. If you are not sure ask your instructor. She has a preference style. You will select by clicking on the action button +preference then choose the style. It will include the number of most common style. You can downl...

How To: Orient a map and use a compass as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Hike five miles with a map and compass as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Safely use a knife, saw and ax as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Use tools to fuel a cooking fire as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Recognize when to use a cooking fire as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Light a fire and a lightweight stove as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Cook a meal over an open fire as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Participate in a flag ceremony as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Identify animals in your community as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Perform various first aid methods as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Prepare a personal first aid kit as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Identify and treat a 'hurry case' as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Rescue someone in the water as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Swim safely as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Use the three R's of personal safety as a Boy Scout

Second Class Boy Scouts work on building their outdoor survival and camping skills. Compass work, nature observation, camp tools, and swimming are areas where new skills are mastered and demonstrated. A second class scout, having completed all the requirements, should be able to lead a hike, care for his own equipment, set up a campsite, and perform basic first aid.

How To: Perform the cockroach on a surfboard

Surfing: Hang Ten The ocean is a force of nature that refuses any effort to tame it. To throw one's self on the mercy of this beast is a courageous act. With the help of this trick guide, you can learn to harness that power and push your water-borne adventures to new heights. See how to

How To: Perform the coffin on a surfboard

Surfing: Hang Ten The ocean is a force of nature that refuses any effort to tame it. To throw one's self on the mercy of this beast is a courageous act. With the help of this trick guide, you can learn to harness that power and push your water-borne adventures to new heights. See how to

How To: Perform the Quasimodo on a surfboard

Surfing: Hang Ten The ocean is a force of nature that refuses any effort to tame it. To throw one's self on the mercy of this beast is a courageous act. With the help of this trick guide, you can learn to harness that power and push your water-borne adventures to new heights. See how to

How To: Perform an aerial on a surfboard

Surfing: Hang Ten The ocean is a force of nature that refuses any effort to tame it. To throw one's self on the mercy of this beast is a courageous act. With the help of this trick guide, you can learn to harness that power and push your water-borne adventures to new heights. See how to

How To: Perform a backside rail grab on a surfboard

Surfing: Hang Ten The ocean is a force of nature that refuses any effort to tame it. To throw one's self on the mercy of this beast is a courageous act. With the help of this trick guide, you can learn to harness that power and push your water-borne adventures to new heights. See how to

How To: Perform an off the top on a surfboard

Surfing: Hang Ten The ocean is a force of nature that refuses any effort to tame it. To throw one's self on the mercy of this beast is a courageous act. With the help of this trick guide, you can learn to harness that power and push your water-borne adventures to new heights. See how to

How To: Stand up on a surfboard

Surfing: Hang Ten The ocean is a force of nature that refuses any effort to tame it. To throw one's self on the mercy of this beast is a courageous act. With the help of this trick guide, you can learn to harness that power and push your water-borne adventures to new heights. See how to stand up on a surfboard.