HumansEvolution of lactose tolerance probably driven by famine and disease Archaeological and genetic evidence casts doubt on the idea that the ability to digest lactose after infancy evolved gradually 51¶¯Âþ
HealthCovid-19 news archive: March 2022 This is an archive of the 51¶¯Âþ daily covid-19 news update, March 2022, Updates from: February 2022,  January 2022, November/December 2021, September/ October 2021, July to September 2021, June/ July 2021, May 2021, March 2021, February 2021, January 2021 51¶¯Âþ