I was willing to participate in the South East Asian Mathematics Olympiad. Apart from the tutorial videos and past papers, are there any books I could use to prepare for the contest? Or perhaps some free/paid online resources?

Could anyone suggest books or other resources I could use to prepare for USMDO? I'd need some books on human disease topics.

Calling all space enthusiasts! I'm excited to share that I have made it to the finals of the IAAC | International Astronomy and Astrophysics Competition for the first time this year. Have any of you participated in the past or are currently competing alongside me this year? As the final round approaches, I must admit that I haven't had much formal preparation. I am struggling to find reliable resources to study for the finals and could really use some guidance. If any of you have tips, tricks, or valuable last-minute resources that could help me and others excel in this Olympiad, please share them with me. Let's support each other in our quest to succeed in the IAAC!

I'm a freshman at high school interested in the esteemed field of STEM. I am particularly inclined towards medicine and biotechnology. Any tips on how I can begin researching as someone who had no prior experience?