A tornado is a violently rotating column of air that is in ...
GOOS, co-sponsored by IOC/UNESCO, WMO, UNEP and ICSU, is a ...
Occurs when solid, liquid, or gaseous volcanic materials ...
An ambitious plan to explore a vast lake trapped beneath ...
(1) An image which has been turned upside down, with ...
A quasiperiodic crystal, or, in short, quasicrystal, is a ...
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