Revisiting timeline that pinpoints when Mars lost its dynamo

A study of magnetic fields suggests the Red Planet held water for longer than previously believed.

Clea Simon • harvard
July 11, 2023 ~6 min

Men who lift heavy objects have higher sperm counts

Occupational factors, such as physical demands and work schedules, were associated with higher sperm concentrations and serum testosterone, according to a new study.

Harvard Gazette • harvard
Feb. 22, 2023 ~3 min


Interesting facts about Earth from Harvard paleontologist

Andrew Knoll, Harvard’s Fisher Research Professor of Natural History and author of the recent popular science book “A Brief History of Earth: Four Billion Years in Eight Chapters,” shares six facts about the Earth.

Juan Siliezar • harvard
April 21, 2022 ~5 min

Astrochemist brings search for extraterrestrial life to Harvard

Clara Sousa-Silva, whose expertise in phosphine as a biosignature gas was key to a recent analysis that may have detected life in the clouds of Venus, has moved to the Center for Astrophysics | Harvard & Smithsonian for the final two years of her fellowship. She discusses the finding and the broader topic of the search for life on other planets.

Alvin Powell • harvard
Jan. 4, 2021 ~25 min

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