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April 2015

Why India’s rabies problem is especially bad

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India bears the world’s heaviest rabies burden, according to a new study from the Global Alliance for Rabies Control, accounting for 35% of all deaths due to the disease. Here’s why you shouldn’t be surprised… 

Hubble at 25: My picks

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For the Hubble space telescope’s 25th anniversary (April 24, 2015), NASA released a picture of the Westerlund 2 star cluster that the telescope shot. The image shows an expanding shell of gas lit up by the radiation… 

10 things MESSENGER will be remembered for

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Later in April, one of the most successful NASA missions will come to an explosive close. Scientists and engineers at the NASA Applied Physics Laboratory at Johns Hopkins University will accelerate the robotic Mercury Surface,… 

When you crack your knuckles, you’re creating bubbles

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The next time you crack your knuckle, know that you’re actually creating little gas-filled bubbles in the fluid that lubricates your knuckle’s joints. The cavities appear because the bones at the joints separate rapidly, creating… 

All goes well on LHC 2.0’s first day back in action

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It finally happened! The particle-smasher known as the Large Hadron Collider is back online after more than two years, during which its various components were upgraded to make it even meaner. A team of scientists…