3M views · 50K reactions | Tooth Restored by New Gel - Can lost tooth enamel really grow back? Scientists say yes. A breakthrough from the University of Nottingham, reported in Nature Communications, might change dentistry forever. But how close are we to self-healing teeth? | The Brain Maze | Facebook

In Chiang Rai, farmers like Wisa Lakkhampa are utilizing new sustainable farming techniques in response to the effects of climate change. Once a student seeking guidance, Wisa now leads her community by offering advice and serving as its trusted "plant doctor." Nat Geo photographer Rena Effendi documents her journey here and reveals how, by working with the soil, farmers can help secure a thriving future for both themselves and the planet. | National Geographic

What Happens at the Dentist? Step-by-Step Tooth Restoration | 5-Minute Recycle