Published in ILLUMINATION·Dec 1, 2021Youth and the Pleistocene ClimateAt the recent UN climate meetings, youth activists once again figured prominently. Over the last few years, public discussion of climate change has benefited enormously from their passion and sense of urgency. It’s understandable that young people feel so strongly — after all its their future that’s on the line…Evolution3 min read
Published in ILLUMINATION·Sep 16, 2021Things Not Seen: Reflections on Life and Science in the PandemicIn the first summer of the pandemic, I was only able to take my kids to the beach the week before school. While the older two rode boogie boards, my younger daughter dug holes near the waterline, afraid of the waves farther out. …Science4 min read
Published in Medium Coronavirus Blog·May 12, 2021A Closer Look at the Alarming Resurgence of Covid-19 in Manaus, BrazilWhat sequence analysis and computation reveal about the deadly spread of the virus — The first wave of the coronavirus hit Brazil’s Amazonas state very hard. So many people got sick in the capital Manaus that researchers estimated 70% or more of the population had immunity by fall 2020. …Evolution7 min read
Published in Microbial Instincts·Apr 14, 2021Roosting with Bats (Not a Good Idea)A few months before the pandemic my family stayed at a hotel on Lake Turkana in northern Kenya. The place was run by an expatriate European and had an extremely tolerant attitude toward small animals. Mostly I think this reflected a desire not to be bothered about things. There were…Evolution4 min read
Apr 7, 2021Time in Lake TurkanaThe region around Lake Turkana in Northern Kenya is a desert landscape. To a Californian, the look of the hills and rocks and washes is familiar even if the vegetation is not. Bumping along in a land cruiser, we must have crossed a half-dozen dry river beds. …Science5 min read