history
Geneticists work to understand how skeletons wound up in a mysterious Himalayan lake
Reviewing new work that reveals migrants from several historic periods in the skeletons surrounding this lake in India.
![Roopkund Lake surrounded by snowy rocks](/content/images/size/w1460/2022/01/roopkund-lake-abhijeet-rane-flickr-22404199985_a0de81a30a_o.jpg)
Have human lifespans been constant for the last 2000 years?
Maximum lifespan is hard to assess in past populations. The data suggest that lifespan has been increasing over time.
![Three older people walking arm in arm with posters of soccer players in the background](/content/images/size/w1460/2022/01/old-people-sports-philippe-leone-Y5VBtBgswLQ-unsplash.jpg)