Mars Water

New evidence shows lakes on Mars dried up 3.5bn years ago

In early 2017 scientists announced the discovery of possible desiccation cracks in Gale Crater, which was filled by lakes 3.5 billion years ago. Since desiccation mudcracks form only where wet sediment is exposed to air, their position closer to the centre of the lake bed rather than the edge also suggests that lake levels rose and fell dramatically over time. Apr 26, 2018
Xiaomi Mi 6X color options

Xiaomi Redmi S2 makes an appearance on Tenaa: Key features revealed

Images listed in the Tenaa website indicate that the Redmi S2 will be similar to the upcoming Xiaomi Mi 6X. But, the former's internal hardware will be underpowered compared to the latter. Read to know when and where the Android phone is more likely to be made available. Apr 23, 2018