Egypt displays recently discovered ancient tombs in Saqqara
Egypt on Saturday displayed recently discovered, well-decorated ancient tombs at a Pharaonic necropolis just outside the capital Cairo.
Egypt on Saturday displayed recently discovered, well-decorated ancient tombs at a Pharaonic necropolis just outside the capital Cairo.
There's nothing like a steaming cup of joe to give your morning a quick boost. Now, there's yet another reason to love the beverage. Today, researchers report the first application of used coffee grounds as environmentally friendly electrode coatings for sensitive neurochemistry measurements. The material could eventually help scientists get a better handle on brain activity and detect minute levels of neurotransmitters.
Soft and immobile, sea sponges may appear inert, but these simple animals are rich with chemistry. From them, scientists have uncovered plenty of biologically active compounds, some of which have gone on to become medications. All of these small molecules, however, actually originate from bacteria living within these animals. Now, new research has uncovered an exception. Today, scientists report that sponges themselves, not their resident microbes, produce at least one promising group of compounds.
Dogs can use their incredible sense of smell to sniff out various forms of cancer in human breath, blood and urine samples. Similarly, in the lab a much simpler organism, the roundworm C. elegans, wriggles its way toward cancer cells by following an odor trail. Today, scientists report a device that uses the tiny worms to detect lung cancer cells. This "worm-on-a-chip" could someday help doctors noninvasively diagnose cancer at an earlier stage.
Ice cream can be a culinary delight, except when it gets unpleasantly crunchy because ice crystals have grown in it. Today, scientists report that a form of cellulose obtained from plants can be added to the tasty treat to stop crystals cold—and the additive works better than currently used ice growth inhibitors in the face of temperature fluctuations. The findings could be extended to the preservation of other frozen foods and perhaps donated organs and tissues.
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