Published 17:57 IST, April 15th 2021
Scientist licks 3.5 billion years old Martian rock after Twitter starts petition; watch
Scientist who holds a prestigious degree in aerospace engineering from the Massachusetts Institute of Technology (MIT) shared the video on his Twitter handle.
![Scientist](https://img.republicworld.com/tr:w-800,h-450,q-75,f-auto/rimages/r7aka7fiw8cacxrs_1618487824_16_9.jpeg)
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17:57 IST, April 15th 2021