Engineering
This Calculator Estimates Your Risk of Getting Covid-19
The online tool draws on recent data to approximate your chances of contracting the virus in different scenarios
Heavy Metals Give Ants a Powerful Bite
A combination of metal atoms and natural proteins is the secret behind the super-strong jaws, claws and stingers of some tiny animals
Scientists Create First 3-D Printed Wagyu Beef
The cultured cut matches the texture and marbling of the famous Japanese meat
Scientists Design a Robotic Chameleon That Crawls and Changes Color
A new artificial skin can sense its surroundings and create a camouflage coat
The Quest to Build a Functional, Energy-Efficient Refrigerator That Works in Space
Designed and tested by Purdue University engineers, this new appliance would lengthen the shelf life of food on long missions
World's First 3-D-Printed Steel Bridge Debuts in Amsterdam
The newly opened overpass measures 40 feet long and weighs 6 tons
The Tunnels Beneath Rome's Colosseum Are Open to the Public for the First Time
The chambers are finally on view after a $29.8 million restoration
Floating Fire Ant Rafts Form Mesmerizing Amoeba-Like Shapes
Researchers say the morphing colonies help ants feel for solid land in a flooded environment—and might inspire swarming robots one day
This Implant Could One Day Control Your Sleep and Wake Cycles
The so-called 'living pharmacy' will be able to manufacture pharmaceuticals from inside the body
The First Mobile Phone Call Was Made 75 Years Ago
The evolution of the cell phone illustrates what it takes for technologies to go from breakthrough to big time
Elephant Trunks Can Suck Water at 330 Miles Per Hour
A new study puts impressive numbers to some of the elephant trunk's many feats
New Device Allows Man With Paralysis to Type by Imagining Handwriting
When the man visualizes his written messages, a pair of electrical sensors measure his brain activity and translate it into letters
Mighty Morphing 'Flat-Pack' Pasta Changes Shape in Boiling Water
The new noodle could save packaging materials by eliminating airspace inside food cartons
World's Longest Pedestrian Suspension Bridge Opens in Portugal
The 1,693-foot overpass hangs 570 feet above a roaring river and wobbles as people walk across it
Inflatable Origami Structures Could Someday Offer Emergency Shelter
An applied mathematics team created origami-inspired tents that can collapse to the size of a twin mattress with ease
This Ultra-White Paint May Someday Replace Air Conditioning
Developed by researchers at Purdue University, the paint reflects 98.1 percent of sunlight
Researchers Turn Spider Webs Into Music
The eerie compositions offer humans an approximation of how spiders experience their surroundings through vibrations
The World's First 3-D Printed School May Soon Be a Reality
Thinking Huts, a nonprofit founded by a 15-year-old, plans to kick off construction in Madagascar this summer
Why Automakers Flock to This Small Swedish Town Every Winter
From January to April, the population of Arjeplog more than quadruples, as almost every brand test drives its vehicles on the region's frozen lakes
New Microflyers Could Soar in the Atmosphere's Most Mysterious Layer
The mesosphere is too dense for satellites to orbit there, but too thin for planes and balloons to fly
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