If you regularly exercise your max is probably higher than estimated.

I was under the impression that the maximum heart rate is something that can not be trained. This source suggests that if anything training regularly would lower a persons max heart rate.

I just think that either one is serious enough about trying to optimize ones training efficiency, at which point the formula wouldn’t be accurate enough for me. Or one takes a more causal approach at which point doing most runs at “conversational pace” is a good enough rule of thumb.

I feel like if one wants to truly train based on heart rate, then I wouldn’t recommend going by an estimate like that, but just go out and do a workout designed to push the heart rate to its limit.

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Das ist auf jeden Fall die Krux an der ganzen Sache. Ein Teil der Lösung des Problems ist eigentlich der unabhängige öffentliche Rundfunk und Journalismus. Aber der der liefert mMn in letzter Zeit auch eher mäßigs Arbeit ab.

Was mir persönlich regelmäßig negativ bei der Tagesschau negativ auffällt sind die Kommentare.

Bei denen liegt es natürlich in der Natur eben nicht neutral zu sein und die Meinung des Autors wiederzuspielen, aber die Nachrichtenseite entscheidet halt trotzdem was und wie sie solchen Kommentaren eine Plattform bietet.

Dieser Kommentar war glaube ich z.b. vor ca. zwei Wochen für eine Weile auf dem zweiten Platz.

Die Entscheidung einen Kommentar so prominent zu platzieren ist eine Entscheidung. Genauso wie die Entscheidung keinen Gegenkommentar als Gegenstück zu bieten (was aber natürlich nicht immer richtig oder notwendig ist, z.b. wenn es darum ginge ob der Klimawandel existiert). Man erhält den Namen des Autors, aber es gibt keine Einordnung wer das ist oder was ihn dazu befähigt hier einen Kommentar zu verfassen. In diesem Fall ist der Autor wohl einfach ein Journalist der ARD. Da bleibt mir bei mir der Eindruck hängen, dass man einfach gerne eine Meinung populär machen wollte und das Medium des Kommentars erlaubt es einem das ganze mit weniger Aufwand und ohne Nuancen, Recherche oder Kontext veröffentlichen zu können.

Does it really matter if the president can formally withdraw or not? Nato is build on trust, and if that is eroded at a scale like it is done right now, then to me that has the same effect.

Lemmynsfw.com is quite large and purely dedicated to NSFW content.

Yes, it does make a difference, but like with many other things you should not fall into the trap of decision making paralysis.

Your current instance lemmy.world is the largest and perfectly adequate for the majority. It also costs nothing to make accounts on other instances and is done in less time than it takes to decide between them.

That said some reasons to choose one instance over another:

Federation with other instances

Some instances choose not to federate with others. Common reasons being political ideology or NSFW/piracy/violent content. Others might be more liberal and leave it up to their users to block whatever within their own apps. As someone already mentioned world seems to have defederated dbzer0 the piracy focused instance. Some political instances that often also get defederated are the far left ones like hexbear and Lemmy grad (seems like those are defederated by lemmy.world as well).

Server location and performance

Especially country focused instances like lemmy.ca or feddit.uk will have their servers in their own countries. You can of course access them from anywhere, but a European user might have a better time choosing an instance with servers located in Europe, while someone in America might have lower latency with one located there.

Alternate frontends

If you are accessing Lemmy through a browser rather than an app, you might enjoy alternate frontends that change the design. Your current one lemmy.world for example offers 4 different designs that can also be found in the sidebar alexandrite, photon, voyager mobile and one looking like old.reddit.

General ideology of the instance

Your choice of instance might also tell others something about you. If you choose a country specific instance people seeing your profile name might assume you come from there, if you choose one with a particular political view people will probably assume you hold similar views. Same goes for other instances that are related to things like sexuality or hobbies.