Fresh

Water scarcity is one of humanity’s most pressing problems. Now, engineers at Caltech have developed a system that can tap into two sources to produce drinking water, by purifying dirty water during the day and collecting droplets from fog overnight.

BioBag World Australia and IG Fresh Produce have come up with an alternative to polyethylene wrap that can be used to keep cucumbers fresh.

UV-LEDs in selective wavelengths prevent the growth of mold and decay in strawberries.

FreshPaper is herb-infused paper, that is claimed to prolong the shelf life of fresh fruits and vegetables.

Scientists have created a plastic food packaging film that changes color in the presence of decaying meat or fish.

A "nano-brick" coating developed for food wrap should help foods last considerably longer by sealing out oxygen.

Pull Ties are a new invention that offer a simple method of securely closing plastic bags.

World Water and Solar Technologies has deployed solar-powered water purification units for the armed forces and displaced citizens in war torn countries helping prevent the spread of disease and providing additional benefits.

A new coffee container for the home keeps coffee fresh by eliminating the build-up of CO2 gases and keeping out moisture, light and air.

An entrant to this year's James Dyson awards has come up with something devilishly simple: a shrinking milk jug that squeezes all the air out as you empty it. The inventor claims it lets milk last as much as a week longer.