4+ day, 21+ hour ago   (1081+ words) Concrete is, quite literally, the foundation of the modern world. Almost every construction project in the world uses the material in some form. There's just one problem, and that's a big one: Making one of its central ingredients – cement – is…...

1+ week, 1+ hour ago   (373+ words) If you have a bad night of sleep and wake up feeling unrefreshed, your sleep tracker may offer little indication as to why....

2+ week, 10+ hour ago   (715+ words) A prosthetic limb can help people to stand, walk, or run again. But it cannot always warn them when its socket is pressing too hard against the skin of their residual limb. That matters because excessive or uneven pressure where…...

3+ week, 4+ day ago   (620+ words) The statistics for how much of the day we spend staring at our phones make for sobering reading: Individual usage varies a lot of course, but if you're 'average' you might expect to spend six hours a day on your…...

4+ week, 10+ hour ago   (339+ words) Looking younger and actually making aging skin biologically younger may not be the same thing....