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Communication with dolphins is getting better all the time — they've been using iPads, for one thing, and humans have been working on a type of Rosetta Stone-like two-way translation device. A new gadget could improve matters even further, by allowing humans to produce the full range of dolphin sounds. The acoustics researchers who developed it call it the Dolphin Speaker.
Dolphins Using the IPad
To better understand how these sounds are produced, how they travel and even what they mean, researchers need to be able to play them back, watching how dolphins react. This speaker can do it, producing sounds from 6 kHz to 170 kHz. While others have worked in the low-frequency ranges, this is the first type that can cover the whole spectrum.
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LaDonna Adrian Gaines
December 31, 1948 – May 17, 2012
In Loving Memory
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The 2012 Billboard Music Awards aired live Sunday May 20, 2012 on ABC from the MGM Grand Arena in Las Vegas. Katy Perry debuted her new song "Wide Awake" written for the forthcoming 3D "Katy Perry: Part of Me" film. The star studded event included performances by: Justin Bieber, Usher, Carrie Underwood, Chris Brown, LMFAO, The Wanted, Kelly Clarkson, Linkin Park, CeeLo Green and Nelly Furtado.
This year's Billboard Icon Award was presented to Stevie Wonder, and Jordin Sparks and John Legend paid a special tribute to the late Whitney Houston. Her daughter, Bobbi Kristina accept the Billboard Millenium Award on her behalf. 'Modern Family' Duo Julie Bowen and Ty Burrell hosted this year's Billboard Music Awards. Adele was the biggest winner taking home twelve trophies. LMFAO were the second top winners, grabbing six honors. Coldplay and Lil Wayne received four awards each. Taylor Swift was honored as "Woman of the Year."
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Alzheimer's disease is the most common form of dementia for which there is no cure and it worsens as it progresses, and eventually leads to death. It was first described by German psychiatrist and neuropathologist Alois Alzheimer in 1906 and was named after him. In 2006, there were 26.6 million sufferers worldwide. Alzheimer's is predicted to affect 1 in 85 people globally by 2050.
In a clinical trial that could lead to treatments that prevent Alzheimer's disease, people who are genetically guaranteed to suffer from the disease years from now — but who do not yet have any symptoms — will for the first time be given a drug intended to stop them from developing it.
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