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Working in the lab, Northwestern alumnus Bill Yen buries the fuel cell in soil.

A new fuel cell harvests energy from microbes living in dirt runs forever

Objects of different materials in various shapes, coated with the new paints. (Image credit: Yucan Peng)

Significantly reducing energy use, costs, and greenhouse gas emissions with a new paint

While a great deal of research has gone into training computer models to infer someone’s emotional state based on their facial expression, that is not the most important aspect of human emotional intelligence, says MIT Professor Rebecca Saxe. Much more important is the ability to predict someone’s emotional response to events before they occur. Credits:Image: Christine Daniloff, MIT

Is AI capable of predicting someone’s emotional response to events before they occur – today?

District and citywide distributions of poverty and SNAP benefits. Gray colors indicate households above the federal poverty line while red denotes those below. The percentage of households below the poverty line that do not receive SNAP benefits are outlined in black.

Considering two forms of urban agriculture: Food forests and urban farms could address major challenges

Disinfectant powder is stirred in bacteria-contaminated water (upper left). The mixture is exposed to sunlight, which rapidly kills all the bacteria (upper right). A magnet collects the metallic powder after disinfection (lower right). The powder is then reloaded into another beaker of contaminated water, and the disinfection process is repeated (lower left). (Image credit: Tong Wu/Stanford University)

A recyclable powder that kills thousands of waterborne bacteria per second when exposed to ordinary sunlight

Richard Zare (Image credit: Do Pham/Stanford University)

A simple low cost and environmentally sound way to make ammonia

Can AI-generated arguments change minds on controversial hot-button issues?

Spray-on sensory system which consists of printed, bio-compatible nanomesh directly connected with wireless Bluetooth module and further trained through meta-learning CREDIT Kyun Kyu “Richard” Kim, Bao Group, Stanford U.

A spray-on electrically active smart skin can rapidly decipher typing, sign language, even the shape of a familiar object

via Cyanotech Corporation Microalgae cultivation facility along the Kona Coast of Hawaii’s Big Island.

Feeding the world sustainably via onshore algae farms to increase food production more than 50%

The NeuRRAM chip is not only twice as energy efficient as state-of-the-art, it’s also versatile and delivers results that are just as accurate as conventional digital chips. (Image credit: David Baillot/University of California San Diego.)

NeuRRAM chip is twice as energy efficient and could bring the power of AI into tiny edge devices

Carbon dioxide (depicted in red and white at left) is the main greenhouse gas warming Earth and is emitted in large quantities in the flue gas from industrial and power plants. A new method for removing CO2 from these flue gases involves piping the emissions through a porous material based on the chemical melamine (center). DETA, a chemical bound inside the porous melamine, grabs CO2 and removes it from the gas, with nitrogen vented to the atmosphere. (Image courtesy of Haiyan Mao and Jeffrey Reimer, UC Berkeley)

Could melamine big a really big help in carbon capture?

Stanford University New optical device could help solar arrays focus light, even under clouds

An optical concentrator could give a real boost to solar cell output even on cloudy days

Aged mice showed improved learning and memory when fed with plasmalogen supplements from Ascidiacea – also known as sea squirts. In this study, mice were trained to find a hidden platform in a pool of water (Morris water maze), and the image shows the paths they took to reach the platform. After five days of training, young mice were able to remember the platform’s location, whereas aged mice took longer and swam further to reach the platform as they forgot its location. However, when fed a plasmalogen supplement, the aged mice took a shorter, quicker route to the platform than those not given the supplement – suggesting improved cognitive function. (Picture: Lei Fu)

Reversing the signs of aging by eating sea squirts?

A bacterial enzyme converts carbon dioxide into carbon compounds 20 times faster than plant enzymes do during photosynthesis

The device generates electricity at night from the temperature difference between the solar cell and its surroundings. CREDIT: Sid Assawaworrarit

Solar cells that provide night time power?