Radio Lab

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www.radiolab.org/

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Great Morse Code Practice Sites

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Learn CW Online:
http://lcwo.net/

Practice Morse Code at various speeds, from several independent sources, including RSS feeds from news organizations. View the text of what was sent after you copy the code.

  

http://aa9pw.com/morsecode/

On that note, there is a program that you can download, "Morse Code Tools," which will also allow you to listen to an RSS feed from various news sources, and will even send you posts from your personal Twitter and Facebook feeds.

http://morse-rss-news.sourceforge.net/

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Ancient Discoveries - The Antikythera Machine

http://www.youtube.com/watch?v=-KO4-zx9buc

What Should I Read Next?

http://www.whatshouldireadnext.com/

Bird "sings" with its feathers

From National Geographic News:

http://news.nationalgeographic.com/news/2009/11/091111-birds-sing-feathers-wings.html

"She knew from previous work that the frequency of the sound made by the manakin was 1500 hertz—1,500 cycles per second. If the two feather types were making the sound, they should resonate when vibrated at the same frequency during the experiments."

Poo-Poo Train

http://www.treehugger.com/files/2009/09/cable-train-runs-on-weight-of-sewage.php

Anatomic Models

http://www.kikkerlandshop.com/toys---games-puzzle-games.html