Mysterious dark material on the surface of Jupiter's moon Europa is likely sea salt from a subsurface ocean, darkened by exposure to radiation, researchers from the U.S. space agency NASA suggested Tuesday.
UN Secretary-General Ban Ki- moon said here Tuesday that all bio-medical and environmental samples taken from the site of the alleged Aug. 21 chemical weapons attack in Syria will be in designated laboratories by Wednesday, and UN inspectors will do their best to expedite the analysis process.
The samples collected by UN inspectors from the site of the alleged Aug. 21 chemical weapons attacks in Syria were shipped from The Hague, the Netherlands, Monday and will reach their designated laboratories "within hours, " said a UN spokesman.
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