The Best of FYFD 2020

Juvenile catfish convect for safety in large numbers.

2020 was certainly a strange year, and I confess that I mostly want to congratulate all of us for making it through and then look forward to a better, happier, healthier 2021. But for tradition and posterity’s sake, here were your top FYFD posts of 2020:

  1. Juvenile catfish collectively convect for protection
  2. Gliding birds get extra lift from their tails
  3. How well do masks work?
  4. Droplets dig into hot powder
  5. Updating undergraduate heat transfer
  6. Branching light in soap bubbles
  7. Boiling water using ice water
  8. Concentric patterns on freezing and thawing ice
  9. Bouncing off superhydrophobic defects
  10. To beat surface tension, tadpoles blow bubbles

There’s a good mix of topics here! A little bit of biophysics, some research, some phenomena, and some good, old-fashioned fluid dynamics.

If you enjoy FYFD, please remember that it’s primarily reader-supported. You can help support the site by becoming a patronmaking a one-time donationbuying some merch, or simply by sharing on social media. Happy New Year!

(Image credits: catfish – Abyss Dive Center, owl – J. Usherwood et al., masks – It’s Okay to Be Smart, droplet – C. Kalelkar and H. Sai, boundary layer – J. Lienhard, bubble – A. Patsyk et al., boiling – S. Mould, ice – D. Spitzer, defects – The Lutetium Project, tadpoles – K. Schwenk and J. Phillips)

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