Wolf howls may have served as a danger signal to our ancestors – and modern emergency sirens may be an effective way to alert us because they sound like howls Source: https://www.newscientist.com/article/2254705-sound-analysis-hints-sirens-have-an-evolutionary-link-with-wolf-howls/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…
Tag: Sirens
Germany’s Nationwide Emergency Warning Day Sees Bumpy Rollout
For those living in or visiting Germany on Thursday, things got loud this morning. At 11 a.m. sharp (0900 GMT) Germany carried out a nationwide test of its civil alarm systems — with everything from sirens to push notifications on smartphones being tested. The test was slated to run for exactly 20 minutes.
It’s the first test of its kind since Germany…
A powerful 7.8-magnitude quake struck Alaska last night
The quake happened around 10:15 p.m. Tuesday night, according to clocks in Alaska. A tsunami warning along coastal Alaska – which was later rescinded – sent some residents to higher ground. Source: https://earthsky.org/earth/7-8-magnitude-quake-alaska-july-21-2020…
The Sirens of Mars review: Inside the hunt for life on the Red Planet
We once thought Mars had canals built by an advanced society. We’ve come a long way since then, but there is still much to discover, finds Leah Crane Source: https://www.newscientist.com/article/mg24632892-700-the-sirens-of-mars-review-inside-the-hunt-for-life-on-the-red-planet/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…