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The Physics Factbook™
This is a page in The Physics Factbook™ - an encyclopedia of scientific essays written by high school students that can be used by anybody.
SpaceTime TV
Watch educational videos online from full length documentaries to short video clips!
Born believers: How your brain creates God - science-in-society - 04 February 2009 - New Scientist
That's not to say that the human brain has a "god module" in the same way that it has a language module that evolved specifically for acquiring language. Rather, some of the unique cognitive capacities that have made us so successful as a species also work together to create a tendency for supernatural thinking. "There's now a lot of evidence that some of the foundations for our religious beliefs are hard-wired," says Bloom.
Science Times
Science Times is an online news source that provides students with the most up-to-date information about breaking, controversial stories related to science, technology and environmental topics. The use of these science news articles allows teachers to challenge students' attitudes about science while also promoting scientific literacy. And through the use of controversial topics, students have the opportunity to examine, develop opinions, and discuss pressing and authentic issues of the day, while engaging critically with the culture of science.
Cell Online
Biology and Medical Journal
At Ten, Dark Energy "Most Profound Problem" in Physics - nationalgeographic
What goes up must come down. Few on Earth would argue with the fundamental law of gravity.
But ten years ago this month the Astronomical Journal accepted a paper for publication that revealed there is a dark side of the force.
CS 61A: The Structure and Interpretation of Computer Science - YouTube - Broadcast Yourself.
This course exposes students to techniques of abstraction at several levels: (a) within a programming language, using higher-order functions, manifest types, data-directed programming, and message-passing; (b) between programming languages, using functional and rule-based languages as examples. Lectures 5 & 6 contain copyright material and will be public when permission is granted.
10 months ago 37,564 views ucberkeley
Academic Earth - Computer Science
Computer Science 15 courses and 2 guest lectures
Hubble's law - Wikipedia, the free encyclopedia
Hubble's law describes the observation in physical cosmology that the velocity at which various galaxies are receding from the earth is proportional to their distance from us.[1] The law was first formulated by Edwin Hubble in 1929[2] after nearly a decade of observations. The recession velocity of the objects was inferred from their redshifts, many measured much earlier by Vesto Slipher (1917) and related to velocity by him.[3] It is considered the first observational basis for the expanding space paradigm and today serves as one of the pieces of evidence most often cited in support of the Big Bang model.
Extreme Life Thrives Where the Livin’ Ain’t Easy | Wired Science | Wired.com
Once upon a time, scientists routinely found life in places where it wasn’t supposed to exist. That doesn’t happen anymore, and not because the pace of discovery has slowed. If anything, it’s accelerated. It’s simply become clear that life can exist almost anywhere on Earth.
After 3 billion years of evolution, life has flowed into every last nook and cranny, from the bottom of the sea to the upper edge of the stratosphere. From blazing heat and freezing cold to pure acidity and atomic bomb-caliber radiation, there’s seemingly no stress so great that some bug can’t handle it.
This gallery highlights a few particularly tough species of bacteria and archaea, a lesser-appreciated but equally-vast branch of the organismal tree. Until the late 1970s, archaea was lumped in with bacteria, a confusion that speaks to the embryonic state of human microbial knowledge. Less than 1 percent of Earth’s microorganisms have been identified, and most of those won’t even grow in a lab.
Old People May Be Immune to Swine Flu | Wired Science | Wired.com
Just having been alive for a while could protect you from getting the novel swine flu circling the planet.
In 1977, a type of H1N1 virus, commonly known as the “Russian flu,” spread across the world, infecting people under 25 at much higher rates than their elders, who had been exposed to similar viruses in the ’40s and ’50s. In the first documented American outbreak, 70 percent of the students fell ill at a high school in Cheyenne, Wyoming, while their teachers proved immune. As the Air Force Academy’s chief medical officer said in 1978, “It’s one of the advantages of being middle-aged.”
Now, Leonard Mermel, an infectious disease specialist at Rhode Island Hospital, suggests the current flu virus could be similar enough to that ’70s strain that older people could again find themselves immune to a new virus.
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