Proceedings of the National Academy of Sciences · 19 August 2026 · From issue 24

Peter H. Raven: Botanist, evolutionary biologist, and biodiversity champion

A tribute article honors botanist Peter Raven's decades of research and conservation leadership.

Jonathan B. Losos, George B. Johnson et al.

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Also in issue 24 15 papers

In mice, a cholesterol-making protein secretly drives harmful immune cells that fuel autoimmune disease.
Science Advances
In worms and mice, a bacterial protein boosted energy use and health without shortening lifespan.
Science Advances
Solar Orbiter measured particle levels ten times higher despite a worse direct path to the eruption.
The Astrophysical Journal
Past slow slip events, not yearly water cycles, control when new ones start in Cascadia.
Geophysical Research Letters
Internet fiber-optic cables under bridges can double as structural safety sensors.
Nature Communications
Four related enzymes each target different, specific spots on proteins to change them.
Nature Communications
In mice, skull bone holds immune hubs that watch over the brain and fight tumors.
Nature
In flies, a growing parasite form skips a resting stage and still spreads through the whole insect.
eLife
A laser mapped four hiding spots for radioactive thorium atoms inside a crystal.
Science
One rice gene variant grows plants faster and produces more grain at once.
Science
High pressure builds ultra-thin copper wires just one atom wide, over a millionth of a meter long.
Science
In a lab crystal, swirling atom motion made heat conduction extremely low, just 0.08 watts per meter-kelvin.
Nature Communications
Sweat vapor can block its own cooling power in hot, dry, still air.
Science Advances
One math model explains three different turbulence patterns seen in pipe flow experiments.
Proceedings of the National Academy of Sciences

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