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While most consumers never see a silicon chip, they do see the results of their growing power: high-definition television sets, cell phones with cameras, faster and smarter computers. Ever-shrinking chips are not only giving consumers new products, but also helping the scientific community.

The move allow international tourists and business travelers into the country for the first time in almost two years.

The former vice presidential candidate filed with the Federal Election Commission to run for the late Don Young's House seat. Former President Trump endorsed Palin on Sunday.

Researchers found that most people share similar preferences when it comes to smell, and it has little to do with their cultural background.

Host Farai Chideya runs through the day's news affecting black life and culture. Tuesday's headlines include an update on the tragic oil dumping case in the Ivory Coast and residents of Houston, Texas working to restore Emancipation Park to its former glory.

Living conditions are still makeshift for earthquake survivors in Indonesia. The government is still having difficulties getting emergency supplies to those that need them, and the volcano Mount Merapi continues to spew lava and hot gas. Lina Sofiani, an emergency officer with UNICEF in Indonesia, speaks with Liane Hansen.

"This was probably the most difficult Olympics of all time," NBC Sports Chairman Pete Bevacqua said, citing "very harsh protocols in China" because of the COVID-19 pandemic.

As several states relax mask mandates, U.S. companies are easing up their own rules.

In an address to the U.N. General Assembly, Iraqi Prime Minister Nouri al-Maliki asks for international support to stabilize Iraq and bring peace to the region, warning of "disastrous consequences" for the world if the violence continues.

The Plaza first opened its doors at the foot of Central Park 100 years ago this week. For 45 of those years, doorman Ed Trinka has greeted hotel guests and passers-by with a smile and a "Good morning!"