Curated Video
10 years after NASA's Opportunity rover landed on Mars for the first time, a mysterious rock, that looks like a white jelly donut, suddenly appears in its radar. (Jan. 24)
A decade after landing on Mars, the rover Opportunity is still chugging along.
Sure, it has some wear and tear. One of its six wheels and two instruments stopped working long ago. It has an arthritic joint. Its flash memory...
Curated Video
9029B
13.7.90 (Dur: 6mins 58secs/Engl sot: 18secs)
RR MUSIC: "Back Porch Blues" by Fletcher/Jones/Kelly/McGuiness/
Townsend.
STORY: In February 1926, a small diamond was found at a
...
Curated OER
Miracle Planet - Snow Ball Earth 4/5
A snowball earth would stay frozen once frozen; so what melted the ice? A manganese dioxide deposit gives some clue. One scientist focused on volcanic eruptions as contributing more oxygen into the air and warming the earth. This...
University of Nottingham
University of Nottingham: Periodic Table of Videos: Manganese
A talk about manganese and why it is a key catalyst in the reaction that makes plastics found in water bottles. [9:32]