Vol 362, Issue 6420
Introduction to special issue
This Week in Science
Products & Materials
Books et al.
Active cobalt sites and platinum-cobalt nanoparticles are combined in a highly active and durable oxygen reduction catalyst.
Direct writing of nanoscale 3D structures of metals and semiconductors operates with no geometry limitations.
Precise experiments on an elementary reaction validate inclusion of a phase factor in adiabatic quantum mechanical simulations.
- 1.9-million- and 2.4-million-year-old artifacts and stone tool–cutmarked bones from Ain Boucherit, Algeria
Stone tools and cutmarked bones indicate an early presence of human ancestors in North Africa.
Chemical screening yields a strigolactone receptor agonist that may aid control in fields infected with a parasitic weed.