Time for Epic Science Fun That's Cavity Free!! Find Out if Toothpaste and Toothbrush Science Experiments Will Cause Cavities ...

The finding, along with the discovery of a 500,000-year-old hammer made of bone, indicates that our human ancestors were ...

"Hydroxyapatite is natural. It is a type of calcium that makes up bones and teeth," says Lai. "Nano-hydroxyapatite relates to ...

The "very rare" find provides an extraordinary glimpse into the ingenuity of early human relatives who lived around half a ...

Let’s Find Out if Snacks Will Cause Cavities and which Toothpaste and Toothbrush will Clean my Stained Teeth? Lets eat Summer ...

Scientists have found that keratin, the protein in hair and skin, can repair and protect tooth enamel. The material forms a mineralized layer that halts decay and restores strength, outperforming ...

NPR's Short Wave talks about elephants' sniffing abilities, the remarkable migration of painted lady butterflies and a surprising discovery about the early universe. KUOW is Seattle’s NPR news station ...

From NPR News, this is ALL THINGS CONSIDERED. I'm Juana Summers. SCOTT DETROW, HOST: I'm Scott Detrow, and I am joined by Emily Kwong and Berly McCoy of NPR's science podcast Short Wave for our ...

NAIROBI, Kenya (AP) — Kenyans are mourning the death of a beloved “super tusker” elephant whose long life in the wild came to symbolize the country's increasingly successful efforts to protect the ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. NAIROBI, Kenya — Kenyans are mourning the death of a beloved “super tusker” elephant whose long ...