Video · The myth of Oisín and the land of eternal youth – Iseult Gillespie TwitterShare on Facebook564 618 350 views Ted Education - January 18, 2018 Science Ted More Videos Should we replace politicians with randomly selected people? – Michael Vazquez Science · 4 days ago 3 surprising ways microplastics can enter your body Science · 6 days ago How long can hair grow? – Maksim Plikus Science · 2 weeks ago How long can hair grow? – Maksim Plikus Science · 2 weeks ago What happens when you break a bone? – Gurpreet Baht and Natalie Pang Science · 2 weeks ago How does the morning-after pill prevent pregnancy? – Alison Edelman Science · 3 weeks ago How does the morning-after pill prevent pregnancy? – Alison Edelman Science · 3 weeks ago Why did people stop wearing hats? – Alison L. Goodrum Science · 3 weeks ago