4+ hour, 14+ min ago   (55+ words) A conversational agent that listens not only to what users say but to how they say it has shown in a controlled experiment that it can make guided work in mixed reality feel noticeably more usable and supportive, even though…...

4+ hour, 41+ min ago   (521+ words) Bacteria are famous for forming patterns, from the concentric rings of Proteus colonies to the branching networks that motile microbes paint across agar plates. Now researchers at Columbia University have turned one of biology’s most familiar workhorses, Escherichia coli, into…...

5+ hour, 18+ min ago   (632+ words) Fuel cells promise a clean energy future, but a tiny molecule has long stood in their way....

6+ hour, 29+ min ago   (704+ words) Software has an odor problem, at least metaphorically. So-called code smells—structural weaknesses such as oversized classes, duplicated logic, and tangled methods—are early warning signs that a codebase is rotting from within, and they cost the software industry billions…...

7+ hour, 3+ min ago   (559+ words) Tissue microarrays have quietly become one of the workhorses of modern cancer research, allowing hundreds of tissue cores from different patients to be packed onto a single microscope slide and scanned in one pass....

7+ hour, 4+ min ago   (91+ words) Digital images have become the default currency of communication, evidence, commerce, and journalism, yet every photograph that travels across an open network is exposed to silent modification. A cropped receipt, a spliced face, a doctored medical scan, or an altered…...

7+ hour, 10+ min ago   (627+ words) Teaching a team of artificial intelligence agents to cooperate has long been one of the most stubborn problems in machine learning. Each agent sees only a fragment of the world, the environment shifts beneath them as they learn, and the…...

7+ hour, 35+ min ago   (775+ words) Every time a person checks in at a café, a park, or an airport using a location-based social network, they leave behind two intertwined traces: a social tie to other users and a geographic footprint of where they have been....

7+ hour, 35+ min ago   (464+ words) Every living cell depends on thousands of distinct protein families, each folding into precise three-dimensional shapes to carry out the molecular tasks that sustain life....