In late 2016, people working and living in the embassy district of Havana, including at the U.S. Embassy seen here, began hearing strange sounds before getting sick.
AP Photo/Desmond Boylan
Havana syndrome has spread to government officials around the world and stumped doctors for years. Despite news of mysterious attacks, evidence suggests mass psychogenic illness may be the true cause.
A human fungal zombie from the TV show ‘The Last of Us.’
Raw flour at the store still contains live microorganisms. And while cooking can kill the fungi, it doesn’t destroy any illness-causing mycotoxins that might be present.
Cells move their genetic material from one place to another in the form of RNA.
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Making sure RNA molecules are in the right place at the right time in a cell is critical to development and normal function. Researchers are figuring out exactly how they get to where they need to go.
A sense of community and mutual support help women respond to toxic tech culture.
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Women are severely underrepresented in tech. Strength in numbers – communities for women and women mentoring women – can counter tech’s sexist culture and help retain women in the field.
Multiple sclerosis involves the immune system attacking the protective myelin sheath of neurons.
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The gut microbiome plays a big role in mediating how the immune system responds to perceived threats, which include the body’s own nerves.
An impossible sight – but maybe not for long.
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Two conservation scholars break down what de-extinction looks like – and the debate over whether it could do any good.
Wild birds like pelicans and ducks are getting infected with – and dying from – a new strain of avian influenza and have spread it to farm animals around the world.
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A biologist who studies how viruses spread from animals to people explains the process of spillover and the risks posed by the new bird flu that has spread across the globe.
Eating culinary poppy seeds won’t get you high, but they could lead to a failed drug test.
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Poppy seeds can become contaminated with opiates during harvesting. For the US Defense Department, invoking a ‘poppy seed defense’ may not be enough to rule out a positive drug test result.
All human development, from large cities to small towns, shines light into the night sky.
With the help of thousands of citizen scientists, a new study measured exactly how much brighter night skies are getting every year.
A Ukrainian soldier uses a commercial drone to monitor the front line in eastern Ukraine.
Diego Herrera Carcedo/Anadolu Agency via Getty Images
The war in Ukraine has dramatically increased the use of drones in warfare, from repurposed consumer quadcopters to flying bombs to remotely piloted warplanes.