Science is probably the least scary thing that an Excel bug can affect. JPMorgan Chase's "London Whale" venture lost $2 billion in part because spreadsheet modelers divided by a sum instead of an average to get a value at risk.
https://baselinescenario.com/2013/02/09/the-importance-of-ex...
Then there was the infamous Reinhart-Rogoff paper in economics, used to justify harmful austerity policies worldwide post-2008, that came to false conclusions using a row formula that wasn't updated.
https://www.washingtonpost.com/news/wonk/wp/2013/04/16/is-th...