Feature
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AstronomyWhen Branes Collide
A controversial new theory proposes that our universe existed as a cold, featureless void for eons, until a parallel universe floating through a hidden fifth dimension crashed into it, igniting the Big Bang.
By Ron Cowen -
AnimalsGimme, Gimme, Gimme!
Hungry chicks cheeping in their nest have inspired a whole branch of scientific inquiry.
By Susan Milius -
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AnimalsSocial Cats
Who says cats aren't social? And other musings from scientists who study cats in groups.
By Susan Milius -
ChemistryFaster, Better, Cleaner?
Chemists have found that a new class of compounds, called ionic liquids, can substitute for widely used, messy organic solvents while also performing better and producing new products of interest to industry.