- YouTube - Neverending White Lights & Dallas Green - The Grace [good quality]
- New Research Reveals1908 Tunguska Explosion Caused by Comet
- Kaguya Probe Transmits Final Video as it Crashes Into Moon
- Sarychev Peak Volcano in Stereo
- The Danger of Digging Deeper [Interactive Graphic]
- The blue and the green
- Total Knee Joint Replacement Surgery (Medical Animation)
- TEDTalks : Katherine Fulton: You are the future of philanthropy - Katherine Fulton (2007)
- APOD: 2009 June 24 - Noctilucent Clouds Over Germany
- Feeling destructive or curious? Nuke It with Ground Zero II
Posted: 25 Jun 2009 07:26 AM PDT
Posted: 25 Jun 2009 07:10 AM PDT
The mysterious 1908 Tunguska explosion that leveled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, says new Cornell University research. The conclusion is supported by an unlikely source: the exhaust plume from the NASA space shuttle launched a century later.
Posted: 25 Jun 2009 06:32 AM PDT
(11 votes - 2 comments - 140 views)
JAXA: "After the final image, the KAGUYA moved into the shaded area to make its final landing, thus it was pitch dark while taking an image."
Posted: 25 Jun 2009 06:06 AM PDT
Posted: 25 Jun 2009 03:06 AM PDT
A new project in California will dig deeper than ever before to capture geothermal energy from hot bedrock. But the rock has to be broken up to extract the heat, a process that creates earthquakes. NYT's James Glanz explains the science behind the fears that the project could possibly set-off large earthquakes.
Posted: 25 Jun 2009 03:05 AM PDT
Awesome dissection and explanation of an optical illusion by Phil Plait. What we see is not always the truth.
Posted: 25 Jun 2009 01:58 AM PDT
(12 votes - 2 comments - 249 views)
This animation shows a total knee joint replacement surgery of the right knee. The animation depicts the following surgical steps: the incicion; exposure of the arthritic knee joint (chondromalacia); removal of the femoral condyle surface; removal of the tibial plateau; placement of the femoral condyle prosthesis; placement of the tibial plateau and patellar joint prosthetics; comparison of a post-surgical x-ray; and closure of the surgical incision with drainage tube in place.
Posted: 24 Jun 2009 11:00 PM PDT
In this uplifting talk, Katherine Fulton sketches the new future of philanthropy -- one where collaboration and innovation allow regular people to do big things, even when money is scarce. Giving five practical examples of crowd-driven philanthropy, she calls for a new generation of citizen leaders.
Posted: 24 Jun 2009 10:50 PM PDT
APOD: 2009 June 24 - Noctilucent Clouds Over Germany
Posted: 24 Jun 2009 09:30 PM PDT
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