Theories flow for rivers on Mars FEROCIOUS asteroid bombardments on Mars could have triggered scalding rain and flash floods that carved out the planet's giant river valleys billions of years ago. Mars must have been wet in the past for these valleys to have formed. The big question has always been how the planet could ever have been warm enough for … 51¶¯Âþ
Humans Westminster diary WITH another firefighters' strike still on the cards at the time of writing, matters of public safety are well to the fore in the media. Something that sparked my interest and set me asking questions of ministers was the safety of steel fire doors. These are supposed to give people at least an hour to … Opinion
Inactive service The sea is grey and choppy. There's a splash. A body floats into view. An airman, forced to bail out of his burning plane, is bobbing up and down in the waves. His life jacket keeps him afloat, but he's lying face down, arms and legs dangling helplessly beneath the water. In the standard wartime … Features
Lion Tamarins: Biology and conservation by Devra Kleiman and Anthony Rylands Lion Tamarins: Biology and conservation by Devra Kleiman and Anthony Rylands, Smithsonian Institution Press, $45, ISBN 1588340724 Reviewed by Adrian Barnett FORTY years ago, Adelmar Coimbra-Filho received the shock of his life while walking through a fragment of Brazil's Atlantic Coastal Forest: a small monkey fell on his head. It wasn't the event itself that … Books & Arts
Feedback IT'S good to see government think tanks using their observational skills to the full. As evidence, reader Kevin Jump quotes from the recent report Waste Not, Want Not: A strategy for tackling the waste problem from a British government strategy unit: "England has traditionally relied on landfill because of the country's abundance of holes…" FEEDBACK … Regulars