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Rise in greenhouse-gas concentrations continues at alarming rate
The carbon-dioxide concentration in the atmosphere increased in 2013 at the fastest rate in almost 30 years, spurring concerns about global warming ahead of a UN climate summit later this month.
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Experiments reveal that crabs and lobsters feel pain
US research ethics agency upholds decision on informed consent
Chemistry credit disputes under the spotlight
Chemistry credit disputes under the spotlight
Contamination created controversial ‘acid-induced’ stem cells