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Radiation exposure: cancer risk in middle age
The risk of cancer associated with radiation exposure in middle age may not be lower than the risk with exposure at younger ages


CO2 emitted per person by eating
Confirming for the first time that human excrements contribute to water pollution, primarily with nitrogen and phosphorus, a study by the Universidad de Almería (UAL) says that every person emits the equivalent of approximately two tonnes ...

How fungi turned Earth green
An ancient plant group worked together with soil-dwelling fungi to ‘green' the Earth in the early Palaeozoic era, nearly half a billion years ago. This finding resulted from research by scientists at the University of Sheffield, which ...

Why PETN explosive is hard to detect
What is PETN? Pentaerythritol trinitrate is an extremely powerful plastic explosive. The white powder is popular with extremists because it is available on the black market and very difficult to detect at airport checkpoints.Many ...

Chip restores vision
Miika Terho, 46, began losing his eyesight as a teenager and was completely blind when he joined a pilot study to test the experimental eye chip at the University of Tubingen in Germany.Terho was one of three patients who had the chip ...

Great apes may be just as smart as humans
Great apes might be much more similar to us — and just as smart — than science has led us to believe through comparative psychology research, according to a new ...

New test equipment aids traffic surveillance
Police surveillance of seatbelt compliance and speeding is getting a boost with new test equipment which also measures distance between vehicles, road surface condition and calculates traffic ...

Volcanic deposit on Mars harboured life?
Scientists have found a volcanic deposit on Mars that would have been a promising wellspring for life. The silica deposit, formed when Mars' climate was dry and chilly, clearly shows the presence of water and ...

Atlantic sea turtles hit by fungal egg infection
Atlantic sea turtles are under threat from an infection which targets eggs. The fungus Fusarium solani, a strain representing over 45 phylogenetic and biological species, may be key to the 30-year decline in turtle ...

Basis of new approach to electronics created
For the first time, a high-performance ‘metal-insulator-metal' diode has been created. This could form the basis of a new approach to electronics and solve a quest in fundamental material ...

Plant's light-activated switch used in therapy
A light-activated switch from a plant created by genetically inserting two proteins into a cell could be used to control cell growth or death, grow new tissue or deliver doses of medication directly to diseased ...
Speaking Of Science

Betel leaf — much maligned, yet valuable
It was but a little more than a year ago that the government in Dubai decided to ban the import of ‘ Paan' or betel leaves.Reason: it wanted to stop people eating Paan with areca nut, lime and tobacco (the folded packet is called ...


Agriculture


FARMER'S NOTEBOOK
Proper dissemination of technologies vital to boost productivity
The cardamom planter earned a net profit of Rs.3 lakh in a year

Management of leaf blight disease in Glory lily
Glory lily ( Gloriosa superba) is a popular medicinal plant which is commercially exploited for export of seeds, useful in treatment of gout, and muscular inflammations.Tamil Nadu leads in production of glory lily with an annual ...


FARM QUERY
Grasshopper, cricket menace
Is there any method to control grasshopper and cricket menace in my fields? The chemical sprays that I use for controlling them at regular intervals are not so effective.L. GaurLudhianaIn Gujarat, farmers control ...


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