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Needle-free device delivers pain-free analgesia 5 May 08, 19:11 ET Reuters - A new needle-free device that delivers a local anesthetic to the skin promises to help make delivering drugs and drawing blood less painful for children. more US authorities close campsites amid beetle fears 5 May 08, 18:22 ET AFP - A small beetle wreaking havoc on forests in the western United States has prompted authorities to shut down a host of campgrounds for the summer amid fears that ravaged trees could topple over. more Tropical cyclone: a vast and deadly vortex 5 May 08, 13:05 ET AFP - Tropical cyclones of the kind that killed thousands in Myanmar are immensely powerful low-pressure systems capable of generating 10 times as much energy as the atomic bomb dropped on Hiroshima. more Why the 1930s Dust Bowl Was So Bad 5 May 08, 08:21 ET LiveScience.com - The Dust Bowl drought of the 1930s was arguably one of the worst environmental disasters of the 20th century. New computer simulations reveal the whipped-up dust is what made the drought so severe. more Jupiter's Rings Made in the Shade 5 May 08, 07:01 ET SPACE.com - Jupiter has a thin set of nearly imperceptible rings with features that have long puzzled scientists. A new study reveals how light and shadow are at work there, solving several mysteries at once. more

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