Engineering Design
-
Materials ScienceEngineers borrow a tree’s cellulose to toughen new materials
Cellulose gives plants their strength. Engineers are turning this renewable, environmentally friendly resource into brand new materials.
-
AnimalsMosquitoes see red, which may be why they find us so appealing
Mosquitoes not only see colors, but also prefer certain ones, such as the hues of human skin.
By Laura Allen -
LifeRobots made of cells blur the line between creature and machine
Scientists are using living cells and tissue as building blocks to make robots. These new machines challenge ideas about robots and life itself.
-
TechA new device uses atoms’ quantum weirdness to peer underground
Quantum sensors like this one could monitor magma beneath volcanoes or uncover archaeological artifacts.
-
ChemistryA disinfectant made from sawdust knocks out deadly microbes
It’s made by pressure-cooking sawdust and water, is cheap and easy to make — and could lead to greener cleaning products than chemicals used today.
-
Health & MedicineSickle-cell gene therapies offer hope — and challenges
Doctor Erica Esrick discusses existing treatments and an ongoing clinical trial for a gene therapy to treat sickle cell disease.
-
TechScientists Say: Machine learning
Machine learning allows computers to learn new skills without programmers having to write out step-by-step instructions.
-
ArchaeologyThe earliest known pants are surprisingly modern — and comfy
This 3,000-year-old garment was not only stylish but also functional. By recreating it, scientists also unraveled its complex and multicultural origins.
By Bruce Bower -
BrainTeen inventors say: There’s got to be a better way
Finalists in the 2022 Regeneron Science Talent Search are revamping prostheses, earthquake safety systems and air travel.
-
ClimateSatellites find big climate threats — ultra-emitters of methane
Eyes in the sky show many of the worst methane emitters are in countries that produce a lot of oil and gas, such as Russia and the United States.
-
ChemistryNew process can transform urban CO2 pollution into a resource
Researchers have developed a liquid metal that breaks down carbon dioxide in the air, converting it from a climate threat into a valuable raw material.
-
AnimalsThese flying robots protect endangered wildlife
Flying drones make conservation work much easier. Around the world, drones and artificial intelligence help scientists study or protect endangered animals.