They concluded that the presence of wave ripples formed 3.7 billion years ago indicates that Mars’ climate was warm and dense enough to maintain bodies of water not covered by ice, and therefore open ...

"The shape of the ripples could only have been formed under water that was open to the atmosphere ... Both dry lakebeds appear to have formed around 3.7 billion years ago, indicating that Mars ...

Billions of years ago, however, liquid water flowed freely across ... which would have been on the lake bed. The ripples are thought to have formed some 3.7 billion years ago, during a period ...

As noted by Semana, a question remains: until when did Mars manage to preserve liquid water on its surface, especially considering the evidence of ripple formation around 3.7 billion years ago ...

Ripples. Water, Community and You ... The exhibit is framed through three mindsets: “how water controls humans”; “how humans try to control water” and “water and humans together.” ...

Seán Duke is the Science and Health Editor for Newsweek, based in Dublin, Ireland. He has 25 years of experience as a science journalist, and editor with The Irish Times, the Irish Independent ...

CANALS used to be dirty, smelly stretches of water, meandering around industrial ... So, there could well be a few ripples on the way with the news of a breakaway society. The Fletchers Canal ...