Citizen scientists can now help stop archaeological looting

GlobalXplorer is the latest crowdsourced science project, this time in the service of preserving archaeological sites that are being looted. Participants scan satellite images for signs of looting, and mark sites off a map. Read the rest

30-year satellite image timelapses of notable places

Google's Earth Outreach just published a series of nifty decades-long views of how world landmarks of changed, like this one of the Aral Sea from 1984 to present. Some of them are like watching slime molds grow: Read the rest

Watch a river change its path over the years

Landsat imagery of the Ucayali river in Peru shows it meandering over a period of several years; an oxbow lake forms, islands grow and fade in the channel, and a smaller river is "eaten" at the top left. [Hindered Settling, via]

P.S. Looks like it might be a bad idea to build houses on flood plains. Read the rest