Your brain has a circuit that doesn't know you live in a city. Its only job is to monitor whether birds are still singing. Right now, in this room, it is on.
The circuit predates primates. Mammals have been using ambient soundscape continuity as a predator-detection system for roughly 200 million years. Birds stop singing when something larger moves through their territory. For most of mammalian history, a forest full of song meant no large predator was nearby, and the cessation of sound was the warning. Your nervous system never updated this software.
The Max Planck Institute tested the inverse in 2022 with 295 participants. Six minutes of birdsong dropped anxiety with a medium effect size. Six minutes of traffic noise raised depression with the same. The effect worked on subjects who lived in dense urban environments and had no regular contact with nature. The brain still ran the check.
Birdsong sits in the 1,000 to 8,000 Hz range. Your brainstem reads continuous patterns in that band as a signal that nothing dangerous is currently moving through the environment. EEG data shows birdsong at 45 to 50 decibels boosts alpha wave activity by 14.1% relative to silence. Alpha is the brainwave signature of relaxed alertness. Push the same birdsong above 60 decibels and the response flips. Stress markers rise 29%. The circuit only trusts the signal at the volume of quiet conversation, which is exactly the volume birds sing at from a typical distance.
Three things happen simultaneously when the brain registers ambient safety. The amygdala downregulates. The parasympathetic nervous system takes over from the sympathetic. Heart rate variability rises, cortisol drops. The posterior cingulate cortex, which sits at the center of the rumination circuit, quiets down. King's College London tracked this through a smartphone study with over 1,200 participants and found the mood lift lasted hours after the sound stopped. People diagnosed with depression got the same response as healthy controls.
Most of what gets labeled mental fatigue is hypervigilance running in the background. Birdsong tells the circuit it can stand down, and the brain reallocates the freed compute everywhere else.
A quiet park feels different from a quiet office because the parks have sentinels.
@celestialbe1ng@FilipeRA88 I often cycle every 22-24 days and have found starting the progesterone on the 9th day actually works best for me. waiting for the 14th day is more days without progesterone than with and the 9th day has improved everything for me.
These numbers really hit me.
30% of the UK rejected this vaccine. This is the same number as in America, and the same number worldwide. Under the heaviest propaganda campaign in human history - under job threats, social pressure, guilt, and isolation - 30% of the world said no and held the line.
We think of 30% as a small number. It isn't. There is zero apathy in that 30%. Every single one of those people made a hard, conscious, costly decision, and they made it completely alone, with no idea their neighbor was doing the exact same thing.
That was the only thing that beat us. We weren't talking to each other.
The employees who stood together as the 30% and said "we walk out if you force this" kept their jobs. Every one of them.
Now think about the 70% who got it. How many of them actually believed in it? How many just broke under the pressure? At least half, I'd bet. Which means 50% of this world never wanted that vaccine.
They didn't win because they were right. They won because they made us feel alone.
You were never alone. You just didn't know it.
Start talking. You are the change.
@markquarless@Cybertruck0001@cybertruck I’ve passed 4wd trucks slipping up icey hills with just 4 stuffed tires on a Corolla. I prefer 4wd but 4 studded is surprisingly effective
@seagertp@celestialbe1ng Ayahuasca is extracted from the vine limb and roots, not really the bark.
But I like this line of thought. Slippery elm is another
Someone asked me how you fight a spiritual war when so many are unconscious, and what came out of me was something I didn't plan, but it's how I feel.
This is the moment I've been living inside for the last decade. The fear, the doubt, the "how is any of this ever going to work," and the answer that keeps pulling me through it.
It's not a strategy. It's not a plan. It's a calling.
If you've ever felt paralyzed by how big this is, watch this. If you've ever wondered whether your small piece of this fight even matters, watch this.
This is why we don't stop. This is why we can't stop.
Amen. 🙏
@GadSaad women have been wearing catastrophically uncomfortable attire for millennia while men have existed entirely in loose pants and tops. basically, fuck off with this 'grotesque' - get a life.