How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...
BMJ

Shared decision-making using a decision aid for patients with breast cancer considering breast reconstruction: study protocol for a cluster-randomised controlled trial in Japan

Introduction Shared decision-making (SDM) requires that individuals are correctly and smoothly supported to make decisions. However, in Japan, development of decision aids (DAs) to support ...
The New York Times

Wake Up and Smell the Coffee Machines

Americans are drinking more coffee at home too, according to an industry report. By Rachel Wharton Despite the proliferation of coffee shops, more Americans are buying coffee makers and brewing at ...
The New York Times

Archaeologists Find Oldest Evidence of Fire-Making

Neanderthals 400,000 years ago were striking flints to make fires, researchers have found. Neanderthals 400,000 years ago were striking flints to make fires, researchers have found. An artist’s ...
USA Today

Yes, you can repurpose used coffee grounds. This video shows you how.

Coffee is a daily essential for many of us. In fact, two-thirds of Americans drink coffee every day, averaging about three cups, according to a spring 2025 report from the National Coffee Association.