How to hide secret messages using fizzy drinks

Next time you see someone spilling a drink in a bar, you could actually be witnessing a spy secretly decoding an encrypted message. This might sound like something from a Bond movie. But a team from Israel has used some rather ...

Young sharks get by with a little help from their friends

(Phys.org)—In a recent experiment conducted at the Bimini Biological Field Station Foundation, Bahamas, researchers designed a novel foraging task to determine that juvenile lemon sharks could learn from each other.

Beamed-up lemon shark shows research promise (w/ Video)

(Phys.org) -- Not everyone is game enough to fit a laser beam on to a shark’s head and live to tell the tale intact, but not everyone is a marine biologist, either. Last month, marine biologist Luke Tipple, armed with ...

Wide heads give hammerheads exceptional stereo view

Hammerhead sharks are some of the Ocean's most distinctive residents. 'Everyone wants to understand why they have this strange head shape,' says Michelle McComb from Florida Atlantic University. One possible reason is the ...

Dangerous citrus pest found in California

(AP) -- A pest that can carry a fatal citrus disease has been found in Los Angeles County, stoking fears that California's $1.6 billion citrus industry could be hit by a potentially devastating threat.

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