Science
Get flash to fully experience Pearltrees
Science comes up with a lot of awesome stuff, and you don't need a Ph.D, a secret lab, or government funding to get your hands on some of the coolest discoveries. We've got a list of 11 mostly affordable gifts that are guaranteed to blow your mind, whether or not you're a science geek. Click on any image to see it enlarged.
11 cheap gifts guaranteed to impress science geeks
Not Translated How much land area does it take to support your lifestyle? Take this quiz to find out your Ecological Footprint, discover your biggest areas of resource consumption, and learn what you can do to tread more lightly on the earth.
Footprint Calculator
15 Awesome Chemistry GIFs
You don’t need to watch Breaking Bad to know that chemistry is pretty awesome. Below we explore our favorite 15 chemistry GIFs and the science behind them (when we could figure it out). [GIFs via Chemical Reaction GIFs , 4GIFs , and GIFSoup .] Melting Metal With Magnets The Science: The copper wire has a significant amount of AC electricity running through it, causing it to act like a really strong electromagnet.
How Things Work | Bozgo
For many thing that we all day see in our lives, we don’t know how some of that things work. Here you can see how things really work. How a Zipper Works Illustrating Pi: Unrolling a Circle’s Circumference How a Pill Press Works How Walschaerts Valve Gear in Steam Locomotives Works
Did You Know Archive & The assassin bug wears the corpses of its victims like armor.
With a name like the assassin bug, you can be sure this is one tough insect. As it turns out though, the assassin bug doesn’t just kill and eat its victims—it also wears their exoskeletons as part of its suit of armor. In a way, this Malaysian bug is probably the closest thing the insect world has to a deranged serial killer. After it’s made a kill, the assassin bug—which calls Malaysia home—injects its victim with a special enzyme that dissolves and softens its guts so they can be easily sucked out. And once all that’s left is the insect’s empty shell, the assassin bug attaches those exoskeletons to its back using a sticky secretion, piling them high to create a thick layer of protective armor that also serves to confuse its enemies. It might seem like a ridiculous stunt, but imagine you were fighting a war and saw a soldier coming at you covered in dead bodies.
Rising CO<sub>2</sub> levels linked to global warming during last deglaciation
Apr. 4, 2012 — Many scientists have long suspected that rising levels of carbon dioxide and the global warming that ended the last Ice Age were somehow linked, but establishing a clear cause-and-effect relationship between CO 2 and global warming from the geologic record has remained difficult. A new study, funded by the National Science Foundation and published in the journal Nature , identifies this relationship and provides compelling evidence that rising CO 2 caused much of the global warming. Lead author Jeremy Shakun, who conducted much of the research as a doctoral student at Oregon State University, said the key to understanding the role of CO 2 is to reconstruct globally averaged temperature changes during the end of the last Ice Age, which contrasts with previous efforts that only compared local temperatures in Antarctica to carbon dioxide levels.
Go Discovery! It was October 23, 2007 at 11:40am EST when I had my first ride to space on Discovery.
Incredible Space Pics from ISS by NASA astronaut Wheelock | triggerpit.com - StumbleUpon
Very Short Introductions
"The Oxford University Press VSI series has now surpassed 300 volumes, making it to non-fiction what Penguin Books have always been for literature." - Jim Cullen, History News Network "Expert, concise but far from bland, Oxford's 'Very Short Introductions' series must rank by now as a thinking reader's Wikipedia" - Boyd Tonkin, The Independent
We're 99% certain this is the most beautiful footage of Earth's auroras yet recorded
I have to say, although I actually like the style of music that plays over top here, it just doesn't fit. A few days ago when a friend of mine linked to this video on Facebook, I took a minute and swapped in the first song that came to mind that *did* fit (a bit of a snide choice, even, since the same artist often does glitchier, more electronic music) and it confirmed for me that the music selection here was sub-optimal. 11/20/11 12:13am <p style="text-align:right;color:#A8A8A8"></p>Albino Animals
Birdwatchers are rushing to Avebury, near Marlborough, Wiltshire to hopefully catch a glimpse of a rare albino jackdaw. Author Andrew Collins was the first to photograph the bird which locals have named Jackie.