As Swedish cities are densified at a fast pace, there is now construction very close to roads and thoroughfares - land that was considered unthinkable for development just a decade ago. It is already ...

Solar-powered balloons detected strange rumblings at a height of 70,000 feet above the Earth's surface. Scientists can't identify them. When you purchase through links on our site, we may earn an ...

I used to be able to hear 3kHz easily but as my hair cells fade into the sunset that frequency now seems to be down 3 or 6 dB. As a consequence the high pitched "beep beep" sound on my portable alarm ...