Structure of the mammalian ribosome as it decodes the selenocysteine UGA codon
Visualization of selenoprotein elongation in eukaryotes is described. ...
Cellular cross-talk in heart repair
The cytokine meteorin-like (METRNL) improves cardiac function after heart attack in mice ...
Glacial ice supports a distinct and undocumented polar bear subpopulation persisting in late 21st-century sea-ice conditions
A newly described population of polar bears in southeastern Greenland suggests the potential for climate refugia. ...
Modifying insulin to improve performance
A platform to enable precise modifications of insulin could improve drug functionality ...
A chemoenzymatic strategy for site-selective functionalization of native peptides and proteins
Selective enzymatic modification of native proteins enables efficient synthesis of insulin therapeutics. ...
Chip-scale power booster for light
A miniature amplifier with high power is realized with an ion-doped waveguide ...
Krypton in the Chassigny meteorite shows Mars accreted chondritic volatiles before nebular gases
Krypton isotopes in the Martian meteorite Chassigny challenge standard models of planet formation. ...
Droughts and societal change: The environmental context for the emergence of Islam in late Antique Arabia
Persistent droughts in Arabia were coincident with profound societal changes there during the 6th century CE. ...
A new polar bear population
Can the international conservation agreement protect these bears? ...
Accelerated aging of all-inorganic, interface-stabilized perovskite solar cells
A two-dimensional capping layer on a CsPbI3 perovskite stabilizes a solar cell for high-temperature and high-humidity operation. ...