Here are five great TED talks making the invisible visible.
http://www.ted.com/index.php/talks/david_gallo_shows_underwater_astonishments... http://www.ted.com/index.php/talks/tierney_thys_swims_with_the_giant_sunfish.... http://www.ted.com/index.php/talks/robert_ballard_on_exploring_the_oceans.html http://www.ted.com/index.php/talks/sheila_patek_clocks_the_fastest_animals.html ..and last but most definitely not least... http://www.ted.com/index.php/talks/sylvia_earle_s_ted_prize_wish_to_protect_o... (You can keep in touch with Sylvia Earle's TED Prize wish here: http://www.tedprize.org/sylvia-earle )