mars

Just found this article - All Mars fans might be interested: " Last month, an exploratory rover on Mars sent photos back to Earth of strange rock indentations on the Red Planet. NASA said the markings were evidence of ancient water crystals. One scientist, however, believes the formations are...

This is interesting by my favorite popular physicist Michio Kaku - It is a long video on YouTube {the whole program is 1.5 hours but you can just listen to some of it} YouTube has a whole bunch of videos from Kaku's various radio programs such as 'Science Fantastic', almost all of them are...