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Eggs without yolk can hatch too

Most animals reproduce by laying eggs. As the embryo develops, its feeds on the egg yolk. No egg yolk, no offspring, then? Not always. Biologists from KU Leuven, Belgium, have discovered an exception to the rule: the eggs ...

dateNov 12, 2015 in Plants & Animals
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Building a better way to supply energy

It wasn't a natural disaster or high demand that caused an electrical blackout in the northeastern United States in summer 2003. A high-voltage power line in Ohio brushed against overgrown trees, causing it to shut down, ...

dateNov 03, 2015 in Energy & Green Tech
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