[Frontiers] This study investigated thermoacidophilic biotrickling filters (BTFs) for methane mitigation under acidic (pH 2.2–2.5) and thermophilic (45 °C) conditions. Four laboratory-scale BTF reactors were operated over ∼700 days under […]
extremophile
Posted inDale Andersen's Field Reports
Astrobiologist Dale Andersen’s Antarctic Field Report: 28 October 2026: Shoveling Snow In Antarctica
[Dale Andersen] : Hi Keith, A quick note while the base WiFi is up and running. We spent the last two days digging out the entrance to our hut, removing […]
Posted inDale Andersen's Field Reports
Astrobiologist Dale Andersen’s Antarctic Field Report: 26 October 2026: Flying South
Keith’s note: This report may be updated over the course of the day. Dale’s departure from Cape Town was scheduled for 10:00 am Local time but ended up at 10:28 […]
Posted inDale Andersen's Field Reports
Astrobiologist Dale Andersen’s Antarctic Field Report: 25 October 2026: Hurry Up And Wait
Dale Andersen: “Hurry up and wait.” Anyone who works in the polar regions knows the phrase, and knows the experience: storms, blowing snow, and low visibility set the schedule.
Posted inCryobiology
Ice Drives The Emergence Of Functional Protocells
[biorxiv.org] A defining feature of living systems is the high local concentration of diverse molecular components within membrane-bounded compartments.
Posted inDale Andersen's Field Reports
Astrobiologist Dale Andersen’s Antarctic Field Report: 20 Oct 2026: Wheels Down In Cape Town
[Dale Andersen]: The 787 Dreamliner rolled to a stop far out on the apron, as the big jets often do here, and I climbed down into a gray afternoon and […]
Posted inImpact events
Impact Crater Hydrothermal Systems Support Rapid Microbial Enrichment and Diverse Metabolic Potential
[Geobiology ] Impact crater hydrothermal systems, formed after asteroid and comet impacts, have been proposed as promising habitats for life on early Earth and as key targets in the search […]
Posted inDale Andersen's Field Reports
Astrobiologist Dale Andersen’s Antarctic Field Report: Preview: Fall 2026 Lake Untersee Field Season
Keith’s note: Dale Andersen is preparing for his second expedition to Lake Untersee, Antarctica for 2026. The first 2026 Field season at Lake Untersee was conducted from January – March […]
Posted inAtmospheres, Climate, Weather
Where Does Earth’s Nitrogen Go? Two Atoms Offer A Clue
[Science] Nitrogen is one of life’s building blocks, but it’s only helpful in the right amounts. Too much nitrogen in water, for example, can lead to poor water quality and […]
Posted inBiogeochemical Cycles & Geobiology
Activity And Diversity Of Sulfate- and Methane-based Pathways Of Anaerobic Chitin And N-acetylglucosamine Degradation In Marine Sediments
[American Society of Microbiology] Sulfate reduction is estimated to account for half of the organic carbon respiration in anoxic, organic-rich ocean sediments. Sulfate-reducing microorganisms (SRMs) typically oxidize simple carbon compounds, […]