24 February 2017 From the section Science & Environment Share Image copyright GETTY IMAGES Image caption Millions of people across Africa depend on hand pumps for their water supplies The simple up-and-down motion of hand pumps could help scientists secure a key water source for 200 million people in Africa. Growing demand for groundwater is putting pressure on the resource while researchers struggle to accurately estimate the future supply. But a team from Oxford University says that low-cost mobile sensors attached to pumps could solve the problem. Their study shows that pump vibrations record the true depth of well water. While fresh water from Africa's rivers and lakes is hugely important for people, it is dwarfed by the amount of groundwater available, estimated to be 100 times greater than the annual renewable fresh resource. Groundwater lies in aquifers under the surface of the earth and is often extracted from wells by pumps...
6 hours ago From the section Europe Share Image copyright HAZTE OIR Image caption Catholic group Hazte Oir claims its bus is just stating biological facts A judge has backed Madrid's decision to force a bright orange bus emblazoned with an anti-transgender message off its roads. Jose Juan Escalonilla said the bus could not move until the slogans, including "if you are born a man, you are a man", were removed. The bus belongs to Catholic group, Hazte Oir, which had planned to take it on a nationwide tour of Spanish cities. The public prosecutor is investigating whether it is a possible hate crime. Other messages on the side of the bus state "boys have penises, girls have vulvas. Do not be fooled" and "if you are a woman, you will continue to be one". Mr Escalonilla did not find the bus went as far as being a hate crime. However, he said he believed the bus was an "act of contempt" meant to "injure...
Dozens of homes have been destroyed by a fire in a favela in the Brazilian city of Sao Paulo. Firefighters brought the fire under control and an investigation is under way.
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