The thickness of their vocal cords determines how deep their voices are, explained David Puts, assistant professor of biological anthropology. His research has revealed that women are attracted to deeper voices. (more)
"We'll be relying on fossil fuels for the next several decades, but algae-based fuels could be a great way to reduce our carbon footprint," said Tom Richard, professor of agricultural and biological engineering at Penn State. (more)
"Citizen journalists are regular people who contribute to news reporting, not for monetary reward, but because they have a particular interest in a topic," says Curt Chandler, senior lecturer in communications at Penn State. "More eyes and ears means a better chance of getting information," he adds. (more)
"They are all around you, if you know where to look!" said Sean
Brennan, assistant professor of mechanical engineering at Penn State. Today's robots vacuum floors, make cars run smoothly and manufacture parts that we use every day. Humanoid robots like those featured in movies and on TV, however, are likely still decades away from being a reality. (more)
"Different people will give you different answers to that question,"
said Baruch Halpern, professor of ancient history and religious
studies. "The Ark is a regular feature in the Old Testament, making
several appearances in the first five books of the Bible. There are
many consistent references to the Ark, and when you add it all up, it
seems like the Ark was a real article." (more)
On several more Saturdays between now and mid-November, a caravan of pilgrims will arrive at University Park, Pa. Many will sport outlandishly colorful attire. Some will appear days beforehand and live in tents, setting up camp outside Beaver Stadium. And on game day, as many as 107,000 fans will crowd into one of the the largest stadiums in North America. Still more will feast and imbibe from their vehicles while listening to the thunderous roar of the crowd inside. Given its nature and its prominent position in our culture, is football the Roman gladiator sport for modern Americans? Professor Garrett Fagan sees many similarities, and at least one big difference (more)
The answer is mixed, according to Gerald LeTendre, professor of education, and the popular opinion that America does less homework than other nations is simply not true. "Very simply, too much of anything can be harmful." (more)
"Shows like American Idol have completely changed how audiences watch television," according to S. Shyam Sundar, distinguished professor of communications. The real change, he said, came when the audience became part of the production. "It's the tantalizing possibility of shaping the show that is offered to viewers week in and week out." (more)
You've probably seen the supermarket tabloid articles with titles like, "The 12 Foods Everyone Should Eat" or "Four Foods for Peak Performance." Every week there's another berry, grain or bafflingly-named compound that is the key to better health, longer life and peace in our time. Do these "superfoods," as they are called, deserve the hype or is the moniker just a marketing tool to sell us food and supplements we don't really need? It's a little of both, said Penny Kris-Etherton, distinguished professor of nutrition in the Department of Nutritional Sciences at Penn State. (more)
"Our whole system of representative democracy depends on [the census]," said sociologist Gordon De Jong. Because representation is based on population, an up-to-date tally is essential. The equitable distribution of public funds, he adds, also depends on up-to-date population data. (more)