Undersea sensor is powered by sound waves from the surface

For continuously gathering information on ocean conditions, one thing that’s been proposed is a network of sensors that would transmit data from the sea floor. Changing their batteries, however, could be quite challenging. That’s where a new … Continue reading Undersea sensor is powered by sound waves from the surface

Keto lets you unlock and start your car, using your phone

It seems like it was only yesterday that – on some vehicles, at least – the traditional car key was replaced with a Bluetooth fob. Now, Korean startup OneKey is out to replace that fob with its smartphone-controlled Keto system…
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Algae-derived paper filters pathogens out of water

Throughout the densely-populated country of Bangladesh, a lack of access to clean drinking water is responsible for a variety of debilitating and often-lethal infections. Soon, however, residents could filter virtually all harmful microbes ou… Continue reading Algae-derived paper filters pathogens out of water

Newly-identified blood-sucking leech has been quietly living in American swamps for decades

It may not be a Bigfoot or a Loch Ness Monster, but a somewhat creepy new animal species has recently been discovered. Named Macrobdella mimicus, it’s the first medicinal (human-blood-sucking) leech to be described in North America in over 40… Continue reading Newly-identified blood-sucking leech has been quietly living in American swamps for decades

Plants' "body clocks" may determine when herbicides work best

It's possible that herbicides might be more effective if applied at dawn

Spraying crops with weed-killer is not only harmful to the environment, but it’s also costly for farmers. With those problems in mind, scientists have conducted a study which suggests that less herbicide could be used for the same results, if applied at the right time of day.

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Category: Biology

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Stretchy sensor tracks its wearer's health via their skin

One of the stretchable, flexible, skin-adhered BodyNet sensors

It was just last year that we heard how scientists from Stanford University had designed a skin-worn sensor that measures stress via cortisol levels in the sweat. Now, researchers from that same institute have announced a similar sensor that tracks other vital signs.

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Category: Wearables

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Autonomous watercraft will be used to search the sea for Amelia Earhart's airplane

BEN (Bathymetric Explorer and Navigator) was made for the University of New Hampshire by marine autonomy ...

Famed American aviator Amelia Earhart disappeared in 1937, while attempting to fly around the world in a Lockheed Model 10E Electra. Now, a high-tech unmanned boat has been enlisted to help search for that plane, near an island where Earhart may have crash-landed.

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Category: Science

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