I love Numberphile, and I love this kind of Numberphile specifically: here, starting from small numbers using ideas and operations that are extremely easy to understand and (at some scale) iterate by hand, is a wild unsolved problem absolutely beyond the reach of our current mathematical or computational capacities:
https://m.youtube.com/watch?v=OtYKDzXwDEE&pp=ugUEEgJlbg%3D%3D

Matin / Morning 👋
A federal court said on Thursday that it would rule for Washington, 20 other states, and the District of Columbia, turning back an unlawful attempt by the Trump administration to pressure health care providers into ending transgender health care for youth with gender dysphoria. In an oral statement following yesterday’s hearing, U.S. District Judge Mustafa Kasubhai said he would grant the states’ motion for summary judgment with a written order to follow.
“The US is no longer a democracy. One of the most credible global sources on the health of democratic nations now says this outright. The Varieties of Democracy Institute at Gothenburg University reaches the alarming conclusio … that the US is hurtling towards autocracy at a faster rate than Hungary and Turkey.” 1/