Jedan od vodećih britanskih zubara Harley Street pridružio se raspravi. . - VJEČNA DILEMA: Zubar dao odgovor na pitanje je li bolje prati zube prije ili poslije jela… | Slobodna Bosna
NASA's Perseverance rover fails in first attempt to collect rock samples on Mars - The Perseverance mission is assembling a response team to analyse the data and to ascertain when to schedule the next sample collection attempt.