No, say food safety experts. Molds can easily penetrate deep into a soft food, like bread. But you can salvage other foods with tougher surfaces, like cabbages, carrots and hard cheeses.
One topic at this week's World Bank meetings is water scarcity. David Greene speaks with the co-founders of Water.org, actor Matt Damon and Gary White, about people who can't access clean water.
On Saturday, people from around the country will take to the streets in the March for Science. Organizers say that the point of the March is not to make science political, but to highlight the reality of science to politicians, as a guide in policymaking, in which science is an uncharted issue.
It's an effort to bring nationwide attention to the issue and speed up the federal permitting process for coastal projects. The state loses the equivalent of one football field of land an hour.
Speeding cars have become the biggest threat for bears in Yosemite. But rangers hope tracking tools, like the website where the public can track bears, will help keep both humans and bears safe.
A huge iceberg has run aground just off the coast of Newfoundland in Canada. For now, it's made a home in what is known as "iceberg alley," and in photos, appears to dwarf the houses in town.
The global giraffe population has dropped sharply in recent decades, prompting calls to protect the species from habitat loss, illegal hunting and trophy seekers.
The Michigan city tried to save money by drawing its supply from the Flint River, beginning in April 2014. That decision resulted in a crisis when lead contaminated the drinking water.
Native cutthroat trout, an iconic part of the mountain West, thrive in cold streams. But warmer weather has allowed invaders to move in — and it's killing off the cutthroats.
Nearly 90 percent of Kentucky's electricity is from coal — the cheap energy source that helped build its manufacturing economy. Now it's struggling to respond as more businesses want clean energy.