Everything you need to know to keep your teeth healthy
By the time you reach your 60s, you’re almost certain to need treatment for tooth decay. Figuring out exactly what dental care you need and when can be challenging. Yet there’s one key step that’s ...
Tooth size in South American sea lions reflects historical shifts in population abundance
A new study published in PeerJ reveals that the teeth of South American sea lions (Otaria byronia) hold valuable clues about ...
EurekAlert!10 天
New study finds that tooth size in Otaria byronia reflects historical shifts in population ...
A new study published in PeerJ Life and Environment reveals that the teeth of South American sea lions (Otaria byronia) hold ...
BBC5 年
Eight bite-size facts about your teeth
Do you know how many teeth you will have in your lifetime? Which animal are your teeth most similar to? And do you know what the first toothbrushes were made of? With Radio 4’s In Our Time ...
Natural History Museum%2c London5 个月
Megalodon: the truth about the largest shark that ever lived
It may have been comparable in length to today's biggest whale sharks, the largest of which has measured in at 18.8 metres. Without a complete megalodon skeleton to measure, these figures are based on ...