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Yes, he can get it again and in fact people with a history of altitude sickness have a higher risk of getting it again. Risk factors for altitude illness include rapid ascent, strenuous physica...
TL;DR short version You have a reasonable list, though I would add a tarp or some other water-proof shelter that is quick and easy to set up and take down. This is to increase mobility or in case ...
I own a Grigri1 and a Grigri+, and I'm used to the Grigri2 too. To me Grigri+ is better. Positives: new materials, improved casing, no sharp edges, anti-panic handle, greater range of ropes can be ...
Yes it's very good workout to go by bike every day. It's anyway better then going almost the same time by public transport. I'm not an expert but you need more time to recover when you increase a ...
Yes, many (most?) people keep their firewood outside. You may want to bring it inside a day prior to burning to maximize the amount of BTU so that it burns hotter and also create less residue (creo...
To answer the question asked, no, ticks don't do test bites. They walk on your body until they find a spot where the epidermis is thin enough, then just go for it. You won't find a tick latched ont...
That definitely looks like a Cooper's hawk. First consider this picture of a Cooper's hawk that looks remarkable similar. Image Source The other thing to consider is that in your picture and ...
Personally we store our firewood outside (lean-on) and bring a bucket full inside before we use it. We never had a problem doing so, but we do have a roof over it outside. We only use thoroughly dr...
Get a set of curtains and make the carabiners the rungs for the curtain, just make sure that the bar that it slides on is of a good diameter for the carabiners, or if you can find a bar sturdy and ...
The main reason for the Camino de Santiago pilgrimage is to experience something different. Doesn't matter what moves you - outdoors love, passion, faith, adventure, boredom... Whatever it is every...
The U.S. Army had a power-generating backpack developed, within which were ballast weights which moved with the wearer's marching motion, and which were coupled to some sort of generator. It looks...
No, they don't. They scrape the skin lightly with their chelicerae as a part of the biting process, but once they start the process of biting, they are firmly anchoring themselves into place, as a ...
One good way to figure out what a bird is is by going step by step with its characteristics. The Cornell Lab of Ornithology has good web pages for this for each species. Note: It is not just the lo...
I see that nobody has weighed in on this, I think because there is an old saying that "an army marches on its stomach" (N. Bonaparte). The armies of the world would probably focus more on how to ge...
I live in western Oregon and frequently ski areas in the Cascades. One winter, a weather forecaster said the weather at a ski area was going to be warm and wet (mixed snow and rain) that day; anot...
There's a technicality here that's about the difference between "training" and "being active". It's important not to confuse the two but where the threshold lies is a matter for an individual. For...
I think your body will tell you if you are over doing it.... Increased resting heart rate, fatigue, etc. The older I get, the more I'm finding that I need to vary my work outs. Doing something ne...
I bike about 15 km each way commuting to work (70% road-like, 30% forest - 70% flat, 30% hills, but feels flat for the most part). I arrive bathing in sweat. After two years, I once had a puncture...
In the US, the designation National Monument or National Park (same thing other than the first created by presidential edict and the second by congress), sets preservation as one of the top goals. ...
It isn't so much about the training as it is about the recovery. Professional cyclists are on the bike for 700-1000 kilometers a week, often with two different training sessions in a day, and multi...
TL; DR - I don't think there are any actual existing guidelines for how long a soldier can go without food. There are recommended minimums for various operational capacities. As has been pointed ou...
I heartily agree with everything that Charlie and Janet provided in their answers. I would add one strategic suggestion. When identifying a bird, start with shape. Peregrine falcons have strong win...
I've commuted by bike all my life. I'm now 62. The last 5 years (before switching to working at home) I was cycling a minimum of 22km each way - every day. A total of over 2 hours a day. Never be...
One small note to add to all these good answers: After you get all your gear, try all of it on at home. Get familiar with it. You don't want to go there and try it on for the first time, and then f...
Another slight side note, you may want moving layers, plus a "standing" layer. If you're walking around in heavy snowfall, you will probably get quite warm but you'll cool down very quickly once yo...
