Uncategorized
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- Animals
Sumo wrestling keeps big ants in line
In a Malaysian ant species, the large workers establish a hierarchy by engaging in spectacular shaking contests.
- Earth
Satellites show Earth is greener
Daily observations from space for nearly 2 decades indicate that our planet is getting greener.
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19260
Lowered melatonin secretion was an implied factor in the 35 percent increase in colon cancer among night shift nurses, compared with their daytime counterparts. A couple of altered lifestyle factors may contribute, as well: The night shift is often occasion for a sedentary work style, and decreased alertness might even affect daytime activity.
