NASA data aids ozone hole's journey to recovery

On Sept. 16, 1987, policymakers and scientists from around the world gathered at the International Civil Aviation Organization's headquarters in Montreal, preparing to take action on the day's most urgent topic: Depletion ...

How can we protect our information in the era of cloud computing?

Private information would be much more secure if individuals moved away from cloud-based storage towards peer-to-peer systems, where data is stored in a variety of ways and across a variety of sites, argues a University of ...

Cambridge team exposes EMV card vulnerabilities

(Phys.org)—At a cryptography gathering in Leuven, Belgium, on Tuesday, Cambridge University researchers made it known that they do not like what they see in chip and pin systems. Banks rely on customer confidence in their ...

Patch for flaw in key Internet protocol

(PhysOrg.com) -- A flaw was found in November in a key Internet protocol that encrypts most sensitive online transactions and communications, including credit card and banking transactions. A patch has now been developed ...

Blockchains in real time

Blockchains promise widescale open Internet applications that are organised decentrally, but this comes at the price of slow performance for every transaction processed by the system. Cryptography researchers working with ...

Study reveals new threat to the ozone layer

"Ozone depletion is a well-known phenomenon and, thanks to the success of the Montreal Protocol, is widely perceived as a problem solved," says University of East Anglia's David Oram. But an international team of researchers, ...

US, China agree to end 'super greenhouse gases'

China agreed Saturday with the United States to scale back production of "super greenhouse gases" used in refrigerators and air conditioners in a joint bid to fight climate change.

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