The president’s first actions on gun regulations are modest, especially compared to his legislative record as a senator. He plans to announce the rules during remarks in the afternoon from the Rose Garden.

Two Sports, a Fast Time and Some Questions
The British track Olympian Beth Potter switched sports, but her stardom in triathlon came too late to qualify for Tokyo. Then she set a world record in a 5K that won’t count. What’s a world-class athlete to do?

Light shed on the coordination of neural stem cell activation
In all adult vertebrates, neural stem cells can be recruited to produce new neurons in the brain. However, little is known about these so-called ‘activation’ processes.

Artificial Intelligence could ‘crack the language of cancer and Alzheimer’s’
Powerful algorithms used by Netflix, Amazon and Facebook can ‘predict’ the biological language of cancer and neurodegenerative diseases like Alzheimer’s, scientists have found.

Children and SARS-CoV-2: More infections than reported cases during second wave in Germany
The prevalence of SARS-CoV-2 infections in preschool and school children is an important benchmark for deciding whether to open kindergartens and schools. The screening study ‘Fr1da’ led by Anette-Gabriele Ziegler tests children in Bavaria for an early stage of type 1 diabetes. These tests include the collection of blood samples. In response to the COVID-19 …

A new agent for brain diseases: mRNA
A lack of oxygen to brain tissue—known as ischemia—leads to the death of neurons, which results in stroke. Despite considerable research, there are currently no treatments that successfully prevent neuronal death. Now, Tokyo Medical and Dental University (TMDU) researchers have reported a way of delivering mRNA to produce a therapeutic protein that protects neurons. Their …

Cycling study transforms heart health of dialysis patients
Cycling at moderate intensity during dialysis could drastically improve the heart health of patients with kidney failure and result in significant savings for the NHS, according to new research by the University of Leicester supported by the charity Kidney Research UK and National Institute for Health Research (NIHR) Leicester Biomedical Research Centre.

Chronic sinus inflammation appears to alter brain activity
The millions of people who have chronic sinusitis deal not only with stuffy noses and headaches, they also commonly struggle to focus, and experience depression and other symptoms that implicate the brain’s involvement in their illness.

The best free iPhone games to play right now
Here are the best free iPhone games. From platformers and endless flyers to crazy golfing titles and retro racers, we have pretty much every genre covered.

The best headphones for 2021
From waterproof true wireless headphones to over-the-ear cans with active noise cancellation, we’ve rounded up the best model in every category and price range.