The balance of the sexes in marine turtle hatchlings may be disrupted by high sand temperatures at nesting sites around the Red Sea.

Little of the organic carbon in the Red Sea could be reaching the depths necessary for long-term storage.

A polyelectrolyte coating enables clean seawater desalination systems without harmful chemicals.

A new test kit could enable quick and effective COVID-19 tests for people arriving at airports.

An experiment, elegant in its simplicity, helps explain why water becomes electrified when it touches hydrophobic surfaces.

A newly sequenced coral genome offers tools to understand environmental adaptation.

Stem cell trafficking to the bone marrow is improved by enzyme manufactured in silkworms and yeast.

A new electroactive bacterium could help fuel wastewater treatment reactors.

In probably the first observation of its kind, a tricky triggerfish is seen beaching itself before attacking a crab walking along the shoreline.

A decades-old technique for probing protein motions proves more accurate than current practices.

Combining solar-harvesting materials with carbon-dioxide–consuming microbes could be an efficient way to generate clean fuels.

Custom-fabricated lenses make it easy to attach high-tech microscopes directly to cell incubators.

A nutritious millet crop grown mainly in West Africa could be genetically improved for large-scale agriculture in Saudi Arabia.

A molecular mimic designed to promote plant growth and limit witchweed infestation shows promise in initial trials.

Multistakeholder collaboration is key for the adoption of molecular approaches that can facilitate accurate, cheaper and faster monitoring of marine ecosystems.

A method that lights up tags attached to selected proteins can help to purify the proteins from a mixed protein pool.

A sequencing approach can home in on a rare mutation within a large number of cells, revealing implications for CRISPR genome editing and early cancer detection.

Light-responsive building blocks provide organic membranes with light-controlled permeability and selectivity.

A safer technique reveals that corals take up seawater pollutants both directly and indirectly.

Efficient greenhouse complexes that will grow crops using the resources available on desert coasts could improve food security for millions.