How Addiction Affects Offspring

When laboratory rats abuse cocaine, they produce offspring that are less susceptible to addiction, according to the Los Angeles Times. This surprising genetic twist emerged from a study done at the University of Pennsylvania School of Medicine, which found that male pups with cocaine-addicted fathers were less likely to want the drug and more resistant to its effects. By contrast, […]

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Dark matter is (probably) more complex than you think

Scientists typically believe that dark matter behaves in a simple way: if one clump encounters another, the two interact solely through gravity. However, researchers have published findings which suggest that there’s more involved. They’ve noticed dark matter (the blue lines in the photo above) lagging behind a galaxy due to friction, hinting that there are factors beyond gravity at work. […]

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