Earth sciences Research update ‘Lid’ of asteroid dust smothered and burned the dinosaurs, say scientists Heat and fire may have caused the mass extinction of Cretaceous creatures Read article: ‘Lid’ of asteroid dust smothered and burned the dinosaurs, say scientists
Particles and interactions Research update Antineutrino detector could monitor spent nuclear fuel for clandestine activity Sensitive new measurements suggest that monitoring can continue even when reactors are offline Read article: Antineutrino detector could monitor spent nuclear fuel for clandestine activity
Optical physics Research update Plasmonic metamaterial makes a photonic time crystal New nanostructure could be used to make lasers that work in the terahertz frequency range Read article: Plasmonic metamaterial makes a photonic time crystal
2D materials Research update Two-dimensional material shows promise for long-term memory, thanks to slow electrons A 2D magnetic material exhibits a charge-ordered state in which electrons move collectively and unusually slowly while maintaining quantum coherence Read article: Two-dimensional material shows promise for long-term memory, thanks to slow electrons
Emerging therapies Research update Breaking in: how ultrasound smuggles drugs past the blood–brain barrier A creative spin on MRI technology measures the amount of drug delivered to a brain tumour Read article: Breaking in: how ultrasound smuggles drugs past the blood–brain barrier
Condensed matter Research update Sliding water droplets corrode Teflon-coated metal Effect could damage outdoor equipment and monuments Read article: Sliding water droplets corrode Teflon-coated metal
Particle therapy Research update Dose calculations reveal how patient motion impacts proton minibeam therapy A Monte Carlo-based 4D dose calculation framework assesses the uncertainties for realistic clinical treatments Read article: Dose calculations reveal how patient motion impacts proton minibeam therapy
Particles and interactions Research update No show again for mirror neutrons For now, the existence of a mirror universe cannot be confirmed, say physicists at the PSI Read article: No show again for mirror neutrons
Superconductivity Research update Magnetic field first kills superconductor, then brings it back to life “Re-entrant” superconductivity discovered in a 2D material for the first time Read article: Magnetic field first kills superconductor, then brings it back to life
Earth sciences Research update Earthquake fault irregularities control rupture speed and influence ground motion New models show that high-speed rupture propagation produces stronger and longer-duration ground motion Read article: Earthquake fault irregularities control rupture speed and influence ground motion