Are hair relaxers causing breast cancer in black women?

From the archive: Are national parks failing nature? (part 1)

Can we really solve the climate crisis by planting trees? (part one)

Can we really solve the climate crisis by planting trees? (part two)

Why swearing is more complicated than you think

Are third vaccines and vaccine boosters the same thing?

Flu season: are we in for a bumpier ride this year?

Jaws made us scared of sharks but is a lack of sharks scarier?

Egg-freezing just got more attractive – but is it worth it?

Covid-19: how effective are face masks, really?