What an exciting This Week in Science! Bright pulsar https://t.co/zRO6dtmvyJ Megaraptor https://t.co/ZBF7ZGqfqz Big cave art https://t.co/NUk4s36vHq Apex predators https://t.co/pfCz1nRE6l Astronaut brains https://t.co/dJn1LVzAsx Yellow brick road
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