Antarctic ice sheet is more vulnerable to carbon dioxide than expected

Results from a new climate reconstruction of how Antarctica’s ice sheets responded during the last period when atmospheric carbon dioxide (CO2) reached levels like those expected to occur in about 30 years, plus sediment core findings reported in a companion paper, suggest that the ice sheets are more vulnerable to rising atmospheric CO2 than previously thought. Details appear in two […]

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Too much sleep leads to poor health

We all know about the dangers of sleep deprivation, which has been linked to obesity, memory problems, and even early death. But a new study shows that a surprisingly large proportion of Americans are getting too much sleep, and that carries its own health risks, MyHealthNewsDaily.com reports. In surveys that asked participants to record how they spent their time in […]

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