David Chipman, a two-decade veteran of the A.T.F. who serves as an adviser to a major gun control group, is set to appear in front of the U.S. Senate Judiciary Committee starting in the morning.

Raised buildings may help reduce malaria transmission in Africa
There is growing evidence that house design can decrease the force of malaria infection.

Researchers develop new tools to battle cancer, advance genomics research
University of Virginia School of Medicine scientists have developed important new resources that will aid the battle against cancer and advance cutting-edge genomics research.

Research team improves fetal heart defect detection using machine learning
UC San Francisco researchers have found a way to double doctors’ accuracy in detecting the vast majority of complex fetal heart defects in utero—when interventions could either correct them or greatly improve a child’s chance of survival—by combining routine ultrasound imaging with machine-learning computer tools.

Tsimane Indigenous group’s lifestyle may hold a key to slowing down aging
A team of international researchers has found that the Tsimane Indigenous people of the Bolivian Amazon experience less brain atrophy than their American and European peers. The decrease in their brain volumes with age is 70% slower than in Western populations. Accelerated brain volume loss can be a sign of dementia.

Research uncovers how ‘non-professional’ cells can trigger immune response
Included in the vast fallout stemming from the COVID-19 pandemic, scientists are paying closer attention to microbial infections and how life forms defend against attacks from pathogens.

People who eat a plant-based dinner could reduce their risk of heart disease by ten percent
People who eat too many refined carbs and fatty meats for dinner have a higher risk of heart disease than those who eat a similar diet for breakfast, according to a nationwide study published in the Endocrine Society’s Journal of Clinical Endocrinology & Metabolism.

Deciphering structure of a toxic matter that destroys the nerves in the brain
Alzheimer’s disease—also called dementia—where memory and cognitive functions gradually decline due to deformation and death of neurons, and Parkinson’s disease, that causes tremors in hands and arms impeding normal movement—are major neurodegenerative diseases. Recently, a research team at POSTECH has identified the structure of the agent that causes Alzheimer’s and Parkinson’s diseases to occur together.

Let your Spotify tunes put you to sleep with Android’s Bedtime mode
Having trouble sleeping lately? Help yourself drift off and get a better night’s sleep by using Android’s Bedtime mode, with support for Spotify and Calm.

Pokémon Legends: Arceus and Diamond/Pearl remakes get release dates
Nintendo announced the release dates for three of its upcoming Pokémon Switch games.