Nature highlights three key graphics from the week in science and research.
Russia’s invasion of Ukraine in February has stirred European interest in. Three countries account for the bulk of Europe’s defence R&D. France currently spends the most , followed by Germany, according to the European Defence Agency in Brussels. The United Kingdom, which is no longer in the European Union, is the region’s other major funder.
The collaboration used machine-learning techniques to analyse experimental data sets and found intrinsic charm present in the proton with a statistical significance of 2.5 times the standard deviation .
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Artificial intelligence-enabled detection and assessment of Parkinson’s disease using nocturnal breathing signals - Nature MedicineUsing a neural network-based model, ParkinsonsDisease can be diagnosed and its severity monitored based on breathing patterns while someone is asleep, with the potential for at-home touchless monitoring. AI DigitalMedicine PD MIT MIT_CSAIL
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2Q22 — Slip sliding away - Nature BiotechnologyWhat started as a sluggish public market metastasized in 2Q22 to affect other types of financing. Our Data Page shows debt fell off a cliff, partnerships are at previously unseen lows and M&As are scarce
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Quantized current steps due to the a.c. coherent quantum phase-slip effect - NatureDirect observation of the physical dual a.c. Josephson effect, a series of quantized current steps in a superconducting nanowire, is reported and may offer a way to establish new metrological standards for currents.
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Evolution of longitudinal division in multicellular bacteria of the Neisseriaceae family - Nature CommunicationsRod-shaped bacteria typically elongate and divide by transverse fission, but a few species are known to divide longitudinally. Here, the authors use genomic, phylogenetic and microscopy techniques to shed light on the evolution of cell shape, multicellularity and division mode within the family Neisseriaceae.
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Why is the color blue so rare in nature?Among all the hues found in rocks, plants and flowers, or in the fur, feathers, scales and skin of animals, blue is surprisingly scarce.
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