Namechk is an online tool that you can use to search for username availability across various popular sites across the Internet. The only downside with this approach is that you can't type in a core name and for the site to recommend some possible usernames that you can use across the web. Still, it gives you a chance to test various usernames for availability.
Geoengineering on the sea floor near glaciers would form a new ice shelf to prevent melting
Alterations in capillary blood flow can be caused by body position change
Curiosity rover is in 'normal mode' but not transmitting scientific data back to base
NatWest outage comes a day after Barclays' IT systems shut out customers and staff