No matter how much you push the envelope, it'll still be stationery.
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Blue whale songs are getting deeper. All over the world, the songs of blue whales have dropped in pitch by 31% since the 1960s. There are a lot of possible explanations, but none are convincing. Story at http://www.wired.com/wiredscience/2009/12/blue-whale-song-mystery/.
Caution - the end of that article has a list of links that can drag away an entire afternoon, like
- Whales Might Be as Much Like People as Apes Are
- Male Humpback Whales Sing Duets
- Underwater Glider Hunts, Records Cryptic Whales
- Hidden Whale Culture Could Be Critical to Species Survival
- Supreme Court: National Security Trumps Whales, Environmental Law
- Bird Cam Captures Albatross, Killer Whale Rendezvous
... all are other Wired articles.
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