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This article may be confusing to readers who don’t know the quantitative difference between an ice age and a little ice age, as referred to in the story. During the last ice age, the average cooling in the Northern Hemisphere was about 5C, but the cooling during the last little ice age was only about […]
- Earth
It’s high tide for ice age climate change
Tides may sometimes be strong enough to tug Earth into an ice age.
- Tech
Beads and glue defeat forgers
Researchers have devised a cheap, translucent material that, when embedded in credit cards and other items, would endow the items with unique identifiers that are almost impossible to tamper with or copy.
