🚣‍♂️ Why do ships float while rocks sink? #physics

Algae Survival Strategy: Why They 'Protist' When Treated Badly

⚠️ Do not self diagnose! ⚠️ although these images are fairly representative, many skin conditions can look similar, and diagnosis often requires examination (sometimes with dermoscopy or even a biopsy). For example, not every dark mole is melanoma, and not every red scaly patch is eczema or psoriasis! If you notice something unusual on your skin seek professional help. #skinhealth #healtheducation #skinconditions

This tiny magnetic blob could change how we treat brain tumors forever...