Isamu Akasaki, Hiroshi Amano and Shuji Nakamura have been awarded the Nobel Prize in Physics for their invention of the blue light-emitting diode.

RGB-type LED bulbs like the Philips Hue give you a lot of control and they're a lot of fun, too.

What are some good apps to help me stay healthy and make smarter decisions about products?

Iron Chef Jose Garces’ whiskey bar in the Rittenhouse Square section of Philadelphia serves a sustainable burger and fries that are worth the wait.

Fresh and delicious, the ice cream from this popular Old City, Philadelphia store is worth the wait.

Taking a cue from the LEED certified building it’s housed in, Table 31 sources sustainably and creates dishes that contributes to Philadelphia being a dining

The chlorine originates in sea salt and may have a role in climate change.

With at least 84 percent of the world's fish contaminated by mercury, how can you know which fish are safe to eat and which aren't?

Thanks to massive water-diversion and salt-evaporation projects, satellite images show how the Dead Sea is gradually living up to its name.

A handy new tool can transform your pictures into colorful mosaics of emoji.

It's yet one more benefit of living in the Google years.

Some professors are doing it, but perhaps they should look in the mirror.

With WiFi and Bluetooth, Raspberry Pi 3 a lot more than the educational tool it was designed to be.

Reality can never be perfectly simulated if you take into consideration quantum complexity.

City Food Tours has a delicious new walking tour dedicated to showcasing local foods.

The City of Brotherly Love hosts a restaurant week with a local twist and offers a free, downloadable cookbook, 'Center City Cooks,' which includes seasonal rec

In less than 2 minutes a day, you'll learn 101 (no, make that 202) things about Philadelphia that the tourism company wishes you knew.

Instagramming your restaurant could get you a slap on the wrist from the chef. Should it?

Consumers can sell their current mobile phone at an ecoATM.

From Wattio to the Soccket ball and more, crowdfunding sites Kickstarter and Indiegogo helped these startups find fundraising success.

The Boeing Black tackles cybersecurity with a range of spy-like features.

Not that you need a reminder, but the high season of heat cranking and thermostat tweaking is upon us. Energy Star shares a few basics on how to reduce home hea

Imagine a smartphone for the visually impaired that has the tools most sighted smartphone users have come to take for granted

The social workers have assisted veterans, children and families.

How do these global cities stack up in being green?

It takes more than just dedication and intelligence to be a pillar of the community.

Conservation photographer Morgan Heim talks about her work, and how being foolish can lead to brilliant things.

Cristina Mittermeier discusses the modern movement of conservation photography in an interview.

The Beagle 2 Mars lander is clearly visible in new photos from NASA's sharp-eyed Mars Reconnaissance Orbiter (MRO) in orbit around the Red Planet.

A group of chemicals found in personal care products may raise the risk of diabetes, a new study suggests.

For every cat photo or video you post on social media using the #MyGreatCat hashtag, Purina Pro Plan will donate a pound of food to feline rescue groups.

Have you noticed a plethora of puppies on your Facebook page? This is why people are posting them.

6.5 percent of Americans over the age of 40 experience phantom odors, but we're not sure what causes this sensation.

California considers labeling acetaminophen a carcinogen.

Project Haiti Orphanage and Children's Center will provide a safe and healthy home for Haitian children.

MNN offers a graphical tribute to a gifted grain — corn — in all its many uses.

Iconic landmarks and skylines all across the globe were plunged into darkness on Saturday for Earth Hour.

A 10-mile stretch of Los Angeles' 405 Freeway — the most heavily trafficked road in the country — was completely shut down this weekend as part of a $1 bill

Save money and reduce your carbon footprint when you use one of these 7 apps to organize a carpool or book a carshare ride.

Public transit has long been undervalued as a mobility option. Thanks to new technologies and new ways of living, that's changing.

Uber and Lyft are both offering discounted ridesharing services. Today in San Francisco; tomorrow the world.

Helsinki is experimenting with a plan to match people with rides, making cars unnecessary.

Running 2 groundbreaking companies at the same time, Musk succeeds by putting himself on the line more than anyone else, says author Ashlee Vance.

Conservationist Clay Bolt is using his images to influence laws and protect species.

This year's winning travel image from the Nat Geo contest features the beautiful tail of an endangered humpback whale calf.

The U.S. Supreme Court will decide how the Fish and Wildlife Service can protect species thanks to a legal conflict over a tiny frog.

England is poised to introduce a sweeping ban on the import of endangered animal parts, including those from "trophy" kills.

Black Friday and Cyber Monday aren't the only days when you can get good deals on a range of gifts.

A trio of nations -- Austria, Sweden and Finland -- are pushing once again for loophole in the climate treaty that would allow them to get paid to cut down tree

The best photos of the week as presented by the Mother Nature Network, including a landfill worker in Cambodia and a mistletoe farm.