Animal Sleep Most animals have a daily pattern of rest and activity. Some animals are more active during the day (diurnal) and some are more active during the night (nocturnal). How much time do animals spend sleeping? References: This table was adapted from four sources: Aserinsky, E., Eyelid condition at birth: relationship to adult mammalian sleep-waking patterns, In Rapid Eye Movement Sleep, edited by B.N.
arizona hardcore punk rock flyer archive 1982-1984 Your Brain On Psilocybin Might Be Less Depressed : Shots - Health Blog hide captionThis could be your forest on psilocybin. Baxterclaus/Flickr This could be your forest on psilocybin. Magic mushrooms are said to blow your mind, but the hallucinogenic chemical psilocybin, the active ingredient, actually reins in key parts of the brain, according to two new studies. The memorably vivid emotional experiences reported by mushroom users may flourish because the parts of the brain suppressed by psilocybin usually keep our world view tidy and rational. And since the brain area affected by psilocybin can also be out of whack in mental health problems such as depression, the researchers speculate that the drug may turn out to be useful in treating mental illness. "The brain's doing a lot to keep our experiences of the world orderly and constrained," says Robin Carhart-Harris, a post-doc in neuroscience at Imperial College London, and lead author of the studies. The studies are among the first to use brain imaging to take a peek at the brain on psilocybin.
How to Travel Full-Time for $17,000 a Year (or Less!) | Wise Bread - StumbleUpon Wise Bread Picks For the last five years, I've been traveling the world full-time, and for less money than I've ever spent (and I'd wager less money than most people would spend) to live in one place. My worldly possessions fit into one bag (just larger than carry-on size) and a backpack containing my laptop and computer gear. This small entourage (weighing less than 45 pounds in total) comes with me as I wander around the world, sometimes quickly, but mostly slowly. In 2011 alone, I traversed 13 countries and over 45,360 miles. What if I told you it wasn't? Believe it. How to Keep Your Travel Costs Low Of course, I could travel for way more than $17,000/year. Here are a few of my secrets. Don't Pay for Accommodations In the entire year of 2011, I paid $173 for accommodation. Work-Trade/Volunteer There are lots of creative opportunities to work in trade for your accommodation (and sometimes food) and enjoy a more immersive travel experience. Hospitality Exchange House/Pet-Sitting Travel Slowly
Primates as prey, predators, competitors of snakes Photo by J. Headland/Courtesy of PNAS Reticulated python shot by Kekek Aduanan, the adult male Agta on the right, on June 9, 1970, at the headwaters of the Koso River in the Sierra Madre of Aurora Province, Luzon, Philippines. Note the snake's girth and head size relative to the size of the men holding her carcass. More than a quarter of the men in a modern Filipino hunter-gatherer group have been attacked by giant pythons, reports a study that also concludes that humans and snakes not only eat and are eaten by each other, but have long been competitors for the same prey. Skin of the same python as above after the two hunters and Headland butchered it, thereby providing about 55 pounds of meat to the men's families and fellow group members. Human aversion to snakes may be a result of a shared evolutionary history, researchers have often speculated, but since snakes swallow their prey whole, little fossil evidence remains to help define the relationship between snakes and primates.
How Drugs Work How Drugs Work: Cannabis This series uses visual effects and CGI and, for the first time ever, takes the viewer on an entire trip from start to finish inside the human body. With testimony from people who enjoy Read More » How Drugs Work: Cocaine. Documentary combining compelling real-life stories and stunning computer graphics to explore how cocaine creates its highs and its lows How drugs work: Ecstasy. As part of the Dangerous Pleasures season, this three-part series looks at the biological process behind three of the most commonly used recreational drugs – cannabis, cocaine and ecstasy
Butterfly wings feel the heat › News in Science (ABC Science) News in Science Monday, 13 February 2012 Stuart GaryABC Lepidoptric imaging Scientists are using a five million year old design to make a better infrared detector. Dr Radislav Potyrailo and colleagues at General Electric in the United States are copying the microscopic structures found on the scales of butterfly wings to develop new technology with medical, industrial and military applications. Reporting in the journal Nature Photonics, Potyrailo and colleagues examined the iridescent colours produced by the wings of the tropical Morpho sulkowskyi butterfly, found in Columbia, Ecuador and Peru. The morpho genus of butterflies first appeared five million years ago. "The complex geometry of these 125 nanometre sized tree-shaped structures causes light to bounce around resulting in multi-layer interference patterns," Potyrailo says. "The infrared radiation causes the nanostructures to heat up and expand and to a lesser degree change its refractive index," says Potyrailo. A better detector
Back to Basics, DIY Soda Can Stove | I Will Get Ready A small portable way to cook your meals while you are out backpacking and do not want to carry something heavy, using a soda can stove will allow you to boil water, cook your meal, or rehydrate your meal while on the go or in an emergency situation. There are many different types of can stoves out there, here is one version. For this version the directions were taken fromthesodacanstove.com. After looking thru many different sites and youtube and ehow, this site had the best directions, that anyone who has never made a Soda Can Stove could follow, and a lot of the other sites left you wanting more information, which we could find here. Read our comparisons of can stoves. What is denatured alcohol How do I use my Stove Lighting stove How do I use the simmer ring How do I make a pot support for my soda can stove Materials List Step 1: Create Burner Holes Poke holes along the bottom edge of one of the cans with the hammer and nail. Step 2: Create Main Opening Step 3: Cut Out Stove Top
Fish mimics octopus that mimics fish Nature's game of intimidation and imitation comes full circle in the waters of Indonesia, where scientists have recorded for the first time an association between the black-marble jawfish (Stalix cf. histrio) and the mimic octopus (Thaumoctopus mimicus). Undescribed by scientists until 1998, the talented mimic octopus is known to impersonate toxic flatfish, lionfish, and even sea snakes by creatively configuring its limbs, adopting characteristic undulating movements, and displaying bold brown-and-white color patterns. Thanks to these brazen habits, it can swim in the open with relatively little fear of predators. The jawfish, on the other hand, is a small and timid fish. It spends most of its adult life close to a sand burrow, where it will quickly retreat upon sighting a predator. During a diving trip in Indonesia in July 2011, Godehard Kopp of the University of Gottingen, Germany, filmed an unexpected pairing between the two animals.
5 Ways to Give Yourself an Education That Kicks the Crap Out of the One You Got in School 5 Ways to Give Yourself an Education That Kicks the Crap Out of the One You Got in School One of the biggest reasons that people are denied the privilege of education is because they can’t afford it. However, today we live in a world where knowledge and information are at our finger tips like never before. Self Motivation is Not Optional Taking this kind of approach to educating yourself requires an extremely high degree of self motivation. 1. There are a handful of traditional education institutions that have started to embrace this trend. 2. In a recent feature, the CBS Sunday morning show said that there were approximately 50 million active blogs online. Want to learn how to get in shape? What’s interesting about the blogosphere is that it has created a trend of unconventional education and the opportunity to study any subject you have an interest in. 3. 4. 5. TED: One of the most inspirational educational resources at everybody’s disposal is the TED web site. Interested? Tweet Like