Quick Answer. Curad advises that healing occurs in four stages with deep cuts: hemostatis, which occurs immediately; inflammation, which lasts up to 4 days; proliferation, which typically takes 21 days; and remodeling, which can take up to 2 years. Keep Learning.
Euler Problem 14: Longest Collatz Sequence. Euler Problem 14 looks at the Collatz Conjecture. These playful sequences, named after German mathematician Lothar Collatz (1910â1990), cause mathematicians a lot of headaches. This video introduces the problem much better than I can describe it.
If Chillal's record-breaking feat is any indication, nails can grow to be pretty long. The longest of Chillal's nails is his thumbnail, which measures 6.5 feet (2 m) long and ends in a tightly wound coil. All of Chillal's fingernails measure different lengths, which is normal since each nail grows at a different rate. Credit: Courtesy of Guinness World Records. View full size image.