Andy O'Brien
andy-mob.bsky.social
Andy O'Brien
@andy-mob.bsky.social
Welsh Hills, UK's Mountains, Alpine adventuring, climbing, scrambling, wandering, getting lost and finding myself again, outside in all weathers, feeling the rain, hail, wind and sun.

Pretty much sums it up ♥️
September - Pen y Fan x 4
Visibility poor EVERY time 🙄
Gorgeous local Black Mountain Hikes up Mynydd Troed to Mynydd Llangorse
October 4, 2025 at 7:41 AM
Mynydd Troed to Mynydd Llangorse
September 13, 2025 at 3:08 PM
Reposted by Andy O'Brien
The brain activates front-line immune cells in response to the mere sight of a sick person, mimicking the body’s response to an actual infection.

www.nature.com/articles/d41...
The brain fires up immune cells when sick people are nearby
When people viewed virtual avatars with coughs or rashes, their brains triggered an immune response.
www.nature.com
August 2, 2025 at 9:12 AM
Reposted by Andy O'Brien
Serious feat demands respect: Evacuation from Antarctica during winter is one of the most challenging missions an air force can undertake. Temperatures drop to -90 F (-70 C) and violent storms can appear in minutes. You land on ice. And there is a point of no return. www.nytimes.com/2025/08/06/w...
New Zealand Air Force Mounts Dangerous Rescue in Antarctica
www.nytimes.com
August 6, 2025 at 9:57 PM
Reposted by Andy O'Brien
July 29, 2025 at 8:03 PM
August 7, 2025 at 6:40 PM
207lbs to 203lbs in 3 days... So far
August 5, 2025 at 8:31 PM
August 4, 2025 at 10:47 AM
August 1, 2025 at 9:27 PM
19 miles around my garden today... Bliss
May 31, 2025 at 8:50 PM
Distant thunder over Hay, whilst the main peaks of Bannau Brycheiniog stand glorious, dry and clear.
May 12, 2025 at 4:17 PM
Reposted by Andy O'Brien
Sunset porn
May 9, 2025 at 11:55 PM
A whole summer to look forward to, after a long winter of stormy hikes and climbs.
May 10, 2025 at 8:51 AM