Teen Skepchick’s Reality Checks 7.29
- The comet that killed the dinosaurs didn’t wipe out freshwater species. (via Scientific American)
- The physics of Usain Bolt’s world record 100 meter dash. (via io9)
- It looks like brown dwarfs can have their own planets. (via Discovery News)
- We need to bridge the gap between undergraduate science education and research. (via PLoS Student Blog)
Featured image credit: Nick Webb
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