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Second infections raise questions about long-term immunity to COVID-19 and the prospects for a vaccine.

Wheat is a staple food across all parts of the world and is one of the most widely grown and consumed crops7. As the human population continues to grow, wheat production must increase by more than 50% over current levels by 2050 to meet demand7. Efforts to increase wheat production may be aided by comprehensive genomic resources from global breeding programs to identify within-species allelic diversity and determine the best allele combinations to produce superior cultivars2,8.

Researchers .... have made reported some exciting findings relating to metal-organic frameworks (MOFs), a class of porous materials, which could benefit a wide range of important gas separation processes.

Wood runs like a vein throughout human history. It is integral to everything from early copper and iron smelting to wheels, windmills, Viking longships, Celtic barrels, Renaissance crumhorns and Stradivarius violins. It was even the subject of the first book published by a nascent Royal Society troubled by the rapacious demands of a seafaring empire (see G. Hemery Nature 507, 166-167; 2014).

Data scientist Emilio Ferrara tells Nature that fake social-media accounts are harder to detect than ever before.

The coronavirus pandemic, climate change and space exploration are among the issues that Biden will influence if he wins the upcoming US election.

The Southern Ocean is riddled with supercooled stretches of liquid water that are colder than the freezing point.

Dead fish drifting into the Mariana and Kermadec trenches carry mercury pollution with them. Pollution