exploratorium: Snapshot from Frank Oppenheimer’s Exploratorium: Today, with research-grade microscop
exploratorium: Snapshot from Frank Oppenheimer’s Exploratorium: Today, with research-grade microscopes at our Microscope Imaging Station, we can witness once invisible events such as sea urchin fertilization. Frank update: 61/100. Follow 100 Days of Exploratorium founder Frank Oppenheimer at our Frank100 tag: http://exploratorium.tumblr.com/tagged/frank100 Images © Exploratorium, www.exploratorium.edu -- source link