#science events

[politijohn]

Source

[why-animals-do-the-thing]

Folk were really into the post I made about Tandie, the zoo lion with a (then) undergrown mane due a period of time on testosterone blockers. He's having quite the glow up this summer.

But!

Did you know that manes are hormone dependent in both sexes of lion?

Let's talk about maned lionesses!

To recap the previous post quickly: the existence of a mane, and it's color, appear to be pretty heavily androgen-dependent. Neutered males or males put on testosterone blockers, like Tandie was, will drop their manes - but like Tandie, if taken off the meds, it will generally grow it back. Darker manes are indicative of higher testosterone levels, and long/lush manes are generally a good signal of a male's fitness and mate quality. Females seem to show a preference for males with longer, darker manes and other males will preferentially avoid scuffles with them. (Yes, as many comments have pointed out, that means Scar was actually a hunk. Do with that as you will.)

The fascinating thing about androgens being linked to manes in lions is that it goes both ways - females with higher levels will also grow manes!

Mane growth in females lions is most commonly seen with elderly animals who have stopped cycling and are basically in lion menopause. And they have to get pretty old for it to happen - captive lions generally only live into their late teens and early second decade, and most of the maned ladies I know about started growing manes around like, seventeen.

Not all old female lions grow manes, but some of the career cat people I've talked to said it happened to about a quarter of the females they've worked with over the years. Which... is an interesting contrast to the news articles about Zuri, who we'll meet in a bit, that breathlessly reported in 2022 that her mane growth "left scientists baffled."

Old lady lion manes are just... precious. They grow in first at the chest and then around the sides or on the back of the head, but they don’t normally get the length, density, and connectivity seen in the mane of an adult male. It leaves the lionesses manes kind of awkward, in the way I associate with very young males, and they're absolutely adorable. Prepare yourself for the photo spam.

I have to start with Daisy, because she's the only maned lioness I've had the privilege to meet in person.

I don't know exactly when she started growing her mane, but she was over 20 years old when she passed in 2019 with these luscious locks.

Here's another female at the same facility, named Adeena. On the left is a photo of her from 2021, on the right is from this spring (I think she's mid-sneeze in the photo). She turns 20 in October.

If you've heard about maned lionesses before, it’s probably because of Zuri, at Topeka. She’s the most recent one to get media coverage and she went a little viral.

(Just a side note here, but I have some strong feelings about knowledge loss in the exotic animal management world due to political/philosophical schisms. This is one of those topics where it's clear: Topeka told a reporter that the zoo had “never" heard of this happening before, but it's common enough to be well known as a thing in other sectors of the exotic cat world. There's so much expertise and knowledge being lost due to infighting between accrediting groups, and it drives me up a wall).

Anyway. Zuri had one of the best manes I've seen on an elderly lioness. It grew long and lush and she totally could have done shampoo commercials. I mean, look at this.

Zuri lived with her sister, who didn't grow a mane in her old age. Here's the two of them together, Zuri on the left, Asante on the right.

We don't completely know what's going on with these golden girls to cause them to grow manes. It's theorized to be related to the end of estrus and higher levels of androgenic hormones, although it's not clear if that's just due to lower levels of other hormones during "meownopause" or if there's something else also going on.

There was some speculation with Zuri's mane growth that it was caused by the death of the male she lived with, in some biological need to "take over the role." The zoo dismissed that idea pretty quickly, and it makes sense, although there is one other instance where I've heard of that happening before.

The cat people I've talked to say that older lionesses who grow manes don't tend to act differently - they're not taking over new social roles in their prides or anything. Sometimes they can be less active, or be a little more nervous around males, and want to be left alone more, but it was emphasized to me that those behaviors could also just be associated with the fact that manes tends to develop in elderly lionesses.

The mane growth can happen pretty quickly, as we saw in the photos I've posted of Tandie over the last year. Here's Bridget, from the Oklahoma Zoo. The left photo was taken in March of 2017 and the right in November - look how much hair she gained over six months!

The zoo did some research into what might have cause Bridget's mane growth, and found that she had elevated levels of androstenedione, which is a hormone that can be converted by the body into either testosterone or estrogen, depending. In AFAB people, it's known to have a masculinizing effect. The zoo theorized that this was the cause of her mane growth, and that the elevated levels might have been caused by a benign tumor. Fascinatingly, though, blood draws revealed that her testosterone levels were the same as her mane-less sister, Tia.

Tia is on the left in the photo below, Bridget and the beginnings of her mane are on the right. Bridget was 17 when her mane started growing in.

I don't think there's any formal hypothesis that there might be a genetic component to lionesses growing manes in old age, but it's interesting to note that one of Tia's daughters, Zari, also grew a mane. (And she grew it young! It started around age 13, interestingly, also right after their male died). She's on the left in the photo below.

And to circle back around to where we began: Tandie is related to a number of maned ladies! His father, Xerxes, was Bridget's son; Zari was Xerxes' half-sister.

Here's a few more beautiful maned ladies to leave you with. In order, Ngala, Pepper, Skye, and Dandy Lion.

Next up, and last in this lion mane series, is the story of five younger lionesses in Botswana who not only have manes but also express a range of masculine behaviors.

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A huge thanks to all the folk who shared photos of and stories about their golden girls for this post: M. Townsen, S.W. Simpson, E. Day, S. Cook, M. Stinner, M. Paul, K. Vanaman, D. O'Halloran, R. Simpson, D. Souffrant.

[palatinewolfsblog]

"If you can't question it it's not science. It's propaganda." U.N. Owen.

[spirk-trek]

This weekend I had the pleasure of attending my very first Trekfest in 📍 Riverside, Iowa [future birthplace of Captain James T. Kirk]

[amnhnyc]

Join us for Pride Night at the Museum TOMORROW! Come explore LGBTQ+ contributions to science, culture, and the natural world.

🍹 Grab a drink and mingle with the AMNH PRIDE group, a resource group for LGBTQ+ individuals and allies within the Museum community.

🪲 Explore the Gilder Center for Science, Education, and Innovation’s Solomon Family Insectarium.

🍽️ With the Food and Beverage Pairing, gain access to a 6:30 pm presentation by Brooklyn’s own Chef Edy Massih.

🧬 Participate in STEM trivia with podcaster, author, and math diva Kyne Santos!

🚀 Join DJ Niara Sterling and OpenSpace Developer Micah Acinapura for an after-hours party with music and live piloting through the universe courtesy of Open Space.

This program is for ages 21+. Click here for more details and to purchase tickets!

[ofekma]

"noo but this time it's different! Our antisemitism is morally justified! We really do have a good reason to hate the jews!" - every antisemic person at any point in history.

[thebubblesareevil]

Writing prompt: Danny failed science and Temperature affects the weather!!!

So when a cold front meets a warm front is can cause a storm, sometimes they can become extremely dangerous….

Danny has been really stressed lately with college applications and exams, plus the fact that his powers have been getting stronger lately. So one day he flys out to the middle of nowhere and lets off some steam in the form of letting his ice core go a little crazy. He does this every now and then to help him destress, today he used a little more power than usual but no big deal right?

Wrong. One week later the justice league is at his door and confronting him about a series of severe storms that have been created that they managed to track the energy source back to him.

Now they are trying to confront him about being a weather powered meta.

To be fair he was fighting the box ghost when they were learning about hot and cold fronts, how was he supposed to know they could form tornados?

[ingravinoveritas]

| Olivier Awards red carpet, 2024 vs. Good Omens season 1 red carpet, 2019.

[yeoldenews]

A mother's word for word transcription of the imaginary phone call her four-year-old made to Santa Claus in 1911.

(source: The Harbor Beach Times, December 22, 1911.)

Through some outrageous case of serendipity I found a recording of another phone call this same child made 60 years later. Though I have to say his choice of conversational partner is a definite downgrade from the first call.

[intersectionalpraxis]

[politijohn]

Source

Source

[theofficialastronomy101]

The Event Horizon Telescope (EHT) Collaboration has made a significant breakthrough in astronomical observation, achieving the highest resolution images of black holes ever obtained from Earth.

[demonoflight]

Okay, so, this is a VERY morbid question for the science side of Tumblr, BUT. Seeing how the Oceangate submersible imploded so spectacularly with debris everywhere, is there anything left from the people onboard? Like, could the deep sea critters in the abyss around the Titanic get some nutrition, like a very small scale whale fall? Or is it just like, a fine mist helpful to no one?

[videoreligion]

Event Horizon (1997)

[jessieren]

Have you seen this item somewhere before?

An ode to the Moustache and the too snug navy shirt of smugness... otherwise known as:

'Just how much stuff did Evans snaffle from the Endeavour wardrobe'

I'll start by saying I may be mistaken but in my recent *cough* scientific analysis *cough* of potential photos for use on Moustache Monday and whilst perusing the posts from yesterday my spidey senses starting tingling at the incredible likeness of this snug navy shirt...

To one of our most lusted after admired items of the Endeavour wardrobe.. the too snug navy shirt of smugness

I can't be certain but they are certainly similar in colour, sheen and ummm 'fit'...

Just for completeness and further checking/analysis... here are a few more views of the snug navy shirt (definitely not just gratuitous posting)

This one doesn't even have the tache but I don't care...

And another comparator from Manor... mainly to analyse the.... ummmm... fit...

I fully accept that there are lots of navy shirts and that it may not be the same one but I think it deserves some continued analysis..

[crustyfloor]

Till's piece from the event is a very honest depiction, but I want to examine it in more detail since it looks so interesting.

For one, I find the headpiece confusing, I was hesitant on this point in the last post I made covering this I assumed the headpiece Till is wearing (separate from the headphones) was this device.

There isn't even a name for that device, but it's been theorized that it serves a similar function have the collars pet humans have, but affects the pet humans in some way.

I believe it's a behavioral management device since there is an emphasis on the brain when it's shown. And just based on the design itself. I think the purpose of it is similar to a shock collar.

Till in this environment looks familiar, he has that focused expression that he always has when he's writing music, like he's in a daze. Since this is a practice in a controlled environment I think he might actually be handling an instrument this time around (hence the headphones). Till has a natural passion for music, the environment of Anakt Garden also appears more calm than what he goes through with Urak so he looks very much in his element.

But despite how calm, and focused he looks outwardly, his collar shows orange.

Till is giving with his expressions even around the aliens, so if he was feeling bad (I would suspect as much seeing the fresh experiment patches..) I believe it would look more obvious, but the difference threw me off a bit. I could be reaching (definitely) But given how unruly his behavior can be, and how much effort the aliens are putting into finding ways to subdue him I think they used that device to mellow him out so that they could properly monitor him.

The collar being orange gives me the impression that he's not as calm as he looks but the headpiece is keeping him in a 'sedated' state(?)

Red - Condition in the negatives, energy depleted, feeling bad. overall horrible state.

Orange, yellow - to a lesser extent, more like if you're feeling skittish, nervous, (think of this mode as feeling under the weather)

Green - Good, calm, happy, normal and a healthy mode.

(Translation by kh47uo on Twitter)

This behavior could also show desensitization, as he had likely been conditioned to not be phased nor show weakness in front of the aliens even if he feels bad, a way of tolerating. But this is just me trying to make sense of whatever that head gear was... he could've also been sedated beforehand (banging my head against the concrete)

Also interesting to me that we weren't shown Till doing other things, like dancing, or singing. I think it's a testament to Anakt's (And Urak's) priorities as they have Till build on his music skills, his strongest skill. It's probably because that's all he has to offer is his music (His grades in every other subject are a mess.). So building that to its greatest potential before anything is important. But it's a reminder of the situation, he's not so intense about his craft because of his inclination to it. He doesn't make music simply because he likes it, he does it because it's what he has to do to survive. Despite doing what he is naturally driven to do, he looks like he has had his life drained out of him.

Urak (the bastard) knows that for sure. Appearances, and 'decent' skills can get you far but overwhelming passion and skill can put you farther above all the rest, it's exactly why Luka is the best in his league, and why Urak pushes Till to his limits to surpass that even with such destructive means.