A storm nears the coast, stirring up wind and waves.

As health workers and first responders in the United States try to stem a pandemic without adequate protective gear, health officials are forced to consider a stopgap – decontaminating and reusing N95 masks to shield those whose jobs expose them to the virus that causes COVID-19.

People who are at high risk of developing lung cancer, such as heavy smokers, are routinely screened with computed tomography (CT), which can detect tumors in the lungs.

The UK’s plankton population – microscopic algae and animals which support the entire marine food web – has undergone sweeping changes in the past six decades, according to new research published in Global Change Biology.

The shortage of personal protective equipment (PPE) available to health care professionals has become increasingly problematic as Covid-19 cases continue to surge.

A sea cage can hold up to 200 000 farmed salmon.

Recycling trees onsite can sequester carbon, save water and increase crop yields, making it a climate-smart practice for California’s irrigated almond orchards, finds a study from the University of California, Davis.

It’s not too late to rescue global marine life, according to a study outlining the steps needed for marine ecosystems to recover from damage by 2050.

Cracks in the Arctic sea ice are important for satellite-based measurements of the ice’s thickness.

Emergency room physicians asked Texas A&M’s John Criscione for help as supplies diminish.