The Sony a7 IV is the fourth generation of the company's core a7 full-frame mirrorless camera model. It's the most advanced yet, bringing many of the improvements Sony has made in terms of autofocus and interface design since the launch of the a7 III, back in February 2018. Key Specifications 33MP BSI CMOS full-frame sensor Up to 10 fps shooting in lossy Raw with extensive buffer In-body stabil...

Authors in a JAMA Network Open original investigation highlight striking racial and ethnic disparities in COVID-19 vaccination rates and suggest changes larger health systems can make to ensure equity

The modern world has grown around steel bones — everything from tools and home appliances to skyscrapers and airplanes use the versatile material in their construction. But the process of making steel is a significant contributor to global warming and climate change. In 2018, reportedly every ton of steel produced generated 1.85 tons of carbon dioxide, accounting for about 7 percent of global C...

Unless you’re incredibly fortunate, your time as a renter has probably included a bad landlord or two. Whether they want to keep your deposit for questionable reasons or refuse to answer requests for repairs, there are a few helpful apps and websites that can get you out of a sticky situation—or help you avoid one… Read more...