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David Hoffelmeyer

BBC News - Pesticides hit queen bee numbers - 0 views

www.bbc.co.uk/...science-environment-17535769

news research multiple credible sources

shared by David Hoffelmeyer on 31 Mar 12 - No Cached
  • David Hoffelmeyer on 31 Mar 12
     
    The dangers of using pesticides
Hannah J

Water Pollution - 1 views

www.water-pollution.org.uk

Water pollution

shared by Hannah J on 03 Jul 12 - Cached
  • Hannah J on 03 Jul 12
     
    Tue RATA - water pollution
Breyonna T

Kids Ahead - Robotics Articles - New Robot Is Teaching Autistic Kids About Emotions - 1 views

kidsahead.com/...218

shared by Breyonna T on 05 Jun 12 - No Cached
Richard Omoniyi-Shoyoola

Pollutant turns fly-traps veggie - 1 views

www.bbc.co.uk/18416601

multiple credible sources credentialed expert firsthand experience RATA Article

shared by Richard Omoniyi-Shoyoola on 14 Jun 12 - No Cached
  • Richard Omoniyi-Shoyoola on 19 Jun 12
     
    Predator plants may cut back on flies if they can access key nutrients elsewhere, according to research. Scientists studying carnivorous sundew plants in Swedish bogs found that nitrogen deposition from rain reduced how many insects the plants trapped. Pollution from transport and industry causes nitrogen-rich rain, meaning more reaches the ground in some areas.
Damonte Johnson

News : New study provides guidelines for safe levels of iPod listening - 1 views

www.deafnessresearch.org.uk/els+of+iPod+listening+3211.twl

study news iPod deafness

shared by Damonte Johnson on 30 Jun 10 - Cached
  • The study, by researchers at the University of Colorado at Boulder and Children's Hospital in Boston, indicates a typical person can safely listen to an iPod for 4.6 hours per day at 70 percent volume using stock earphones, according to Cory Portnuff, a doctoral researcher in CU-Boulder's speech language and hearing sciences department.
  • The researchers found that listening to music at full volume through an iPod for more than five minutes a day using stock earphones can increase the risk of hearing loss in a typical person
  • Typical individuals can tolerate about two hours a day of a decibel unit known as 91-dBA before risking hearing loss, Portnuff said. The term dBA stands for "A-weighted decibels, a scale that takes into account that the human ear has different sensitivities to different frequency levels,"
  • ...2 more annotations...
  • Loud sounds can stress and potentially damage delicate hair cells in the inner ear that convert mechanical vibrations, or sound, to electrical signals that the brain interprets as sound. "Over time, the hair cells can become permanently damaged and no longer work
  • No one set of earphones is more dangerous than another," he said. "While isolator style earphones are capable of producing higher levels of sound than earbuds, most people use them at a lower volume than earbuds because they block out background noise. It's important to monitor the level of volume control settings."
  • Damonte Johnson on 30 Jun 10
     
    Website specifically on iPod vollume levels. It was a study done back in 2006 but with the new iPods with louder music it can only get worse.
Thomas Bailey

Unmanned solar plane smashes records - CNN.com - 0 views

www.cnn.com/...index.html

solar plane unmanned CNN UK

shared by Thomas Bailey on 20 Jul 10 - Cached
  • Thomas Bailey on 20 Jul 10
     
    unmanned solar plane flies for seven days
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