Innovation

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Gallium: the metal that melts in your hand

Gallium is a soft metal (Ga, atomic number 31) that melts just above a cool room, near 29.8 degrees Celsius in NIST tables. Once liquid, it stays liquid over an unusually wide span before boiling around roughly 2200 to 2400 degrees Celsius depending on the reference. PubChem, national lab summaries, RSC, and USGS help connect that chemistry to metrology, gallium compounds in electronics, gallium-based alloys, and hands-on demos when safety rules are respected.

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Cats can learn to communicate using talking buttons

Some cats learn to press soundboard buttons to communicate words like "food" and "play". Research shows stronger evidence for dogs, while cat studies remain mostly observational. The TheyCanTalk project tracks thousands of pets using these systems.

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Drug to regrow teeth moves closer to clinical use

A drug that blocks the USAG-1 protein could enable natural tooth regrowth in humans. Kitano Hospital reports that an investigator-initiated Phase I trial is underway at Kyoto University Hospital (Ki-CONNECT) from September 2024 to August 2025. The researchers aim to make the treatment available by 2030 for people with congenital tooth loss.