Read article: Electrical resistance standard could get a revised quantum definition
Proposed definition based on the quantum anomalous Hall effect would require a less complex experimental apparatus
Read article: Solitary stellar-mass black hole found wandering through the Milky Way
Six-year study finds that the black hole is travelling at 162,000 kilometres per hour
Read article: Multimodal MRI reveals brain areas that can still ‘see’ after a stroke
Combining sight tests with brain imaging could help guide personalized rehabilitation strategies in stroke survivors with vision loss
Read article: Mysterious X particle spotted in quark–gluon plasma at CERN
Detecting particle in heavy-ion collisions could shed light on the early universe
Read article: The first electron counts – how anaerobic microbes ‘breathe’ iron
Only the first of two electrons transferred from a cell to an external mineral determines the rate of iron-based bacterial respiration
Read article: Bitcoin encryption is safe from quantum computers – for now
Cracking the popular cryptocurrency algorithm in an hour would require over 300 million qubits with current technology, say physicists
Read article: Highly eccentric black-hole merger is identified in LIGO–Virgo observation
Black holes probably had a chance encounter in a dense star cluster
Read article: Optical biopsy system aims to improve liver cancer diagnosis
An optical probe that distinguishes cancerous from healthy tissue could help surgeons pinpoint the best place for a biopsy
Read article: Magnetic crystals found in the noses of salmon could aid navigation
Specialized receptor cells could have originated in magnetotactic bacteria
Read article: Solar panels can heat the local urban environment, systematic review reveals
Study of 116 research papers finds significant daytime heating
