I use this photo in a talk I give to medical students on childhood vaccinations. Five siblings killed in one week from diphtheria. Vaccines are an incredible gift. pic.twitter.com/sazXtQ6eM1
I wish I had taken Abstract Algebra from @mattmacauley when I was in college. Here’s how he teaches it: https://t.co/j41XzPkFOT. In contrast, when I asked my teacher what I should think about when I think about groups, he said, “Think about the axioms.” pic.twitter.com/h08gM1rGYE
A work of patience: The #NASAWebb mirror deployment has started yesterday, moving ~1 mm/day for the next ~10 days for a total of 12.5 mm. After that, they’ll be ready for @NASAWebb ultimate goal: mirror alignment! #JWSTpic.twitter.com/wEOJb9zCsN
Discovery Alert! A rarer planet type joins the list of known worlds. This brings the total of confirmed planets beyond our solar system to 4,903! We are moving closer and closer to 5,000! https://t.co/FUNYZNmdGFpic.twitter.com/J6ZyMXTMKx