DRDO's New Propulsion System for Submarines Nearly Ready

DRDO chief Samir V Kamat announced a new air-independent propulsion system for submarines, enhancing submerged endurance. The system is in final stages at L&T Hazira and will be installed on the 14th submarine at Mazagon Dock.

Tooth Regrowth Research: Stem Cells May Rebuild Teeth

Scientists are studying how stem cells from teeth could regenerate dentin and bone, potentially replacing fillings and implants. Two studies reveal key signaling pathways guiding this process, but human applications remain years away.

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