Research Research 
Ecology & Evolution An Insect Stuck to a Plant Does Not Prove Carnivory: How Saxifraga candelabrum Was Shown to Eat Prey
Ecology & Evolution The Oldest Chemically Confirmed Amber Is 385 Million Years Old—Resin Chemistry Predates the Rise of Seed Plants
Plant Physiology & Development Do Plant Cells Grow Because Their Walls Become Acidic? WALLΦ Reveals a Mismatch Between Root pH and Local Elongation
Ecology & Evolution How Mirror-Image Flowers Are Built: A Supergene and Gravity Place Pollen on Opposite Sides of Pollinators
Genetics, Genomics & Breeding Don’t Send the Virus to the Meristem: TRV–TnpB Enables Heritable Genome Editing in Tomato
Microscope Purple Woodsorrel Petal Patterns Under the Microscope: Dark Veins Are Built from Differently Pigmented Cells
Environment & Climate How Much Did Rising CO2 Increase Global Land Photosynthesis? A 13.5 ± 3.5% Constraint for 1981–2020
Environment & Climate Artificial Light at Night Made Duckweed Grow Faster—But the Experiment Has Important Limits
Food & Natural Products