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Kwabena Boahen Asare was determined to conquer his fear of public speaking after landing a research placement that required him to give weekly presentations.
Contractile forces at the surface of cells of early human embryos bring the cells together. When these forces are absent, the embryo will not develop further. ‘Weak’ cells do not produce these forces and cannot contribute to the embryo. These observations should influence clinical choices during assisted reproductive-technology procedures.
In this work, stable trapping of a two-dimensional Wigner crystal of above 500 ions is achieved, and the quantum simulation of 300 ions with individual state detection demonstrated.
A modular quantum system-on-chip architecture integrates thousands of individually addressable spin qubits in two-dimensional quantum microchiplet arrays into an integrated circuit designed for cryogenic control, supporting full connectivity for quantum memory arrays across spin–photon channels.
Assessment of surface contamination shows that trace oxygen is a key factor influencing the trajectory and quality of graphene grown by low-pressure chemical vapour deposition, with oxygen-free synthesis showing increased reproducibility and quality.
Reference assemblies of great ape sex chromosomes show that Y chromosomes are more variable in size and sequence than X chromosomes and provide a resource for studies on human evolution and conservation genetics of non-human apes.
Analysis of streamflow measurements from 1950 to 2020 across 3,049 snow-affected catchments over the Northern Hemisphere shows that seasonal streamflow occurs earlier in snow-heavy catchments but later in less snowy regions.
We develop a method for high-density vertical stacking of active-device multi-layers, implementing memory and logic functions, using unique VIP-FETs where a van der Waals intercalation layer modulates the p- or n-type nature of the FETs.
Inspired by the human visual system, a vision chip with primitive-based complementary pathways is developed to overcome the power and bandwidth wall of vision systems, achieving fast, precise, robust and high-dynamic-range sensing efficiently in the open world.