Spider’s Biggest ‘Fact’ Unmasked: Are Daddy’s Long Legs REALLY the ‘Most Poisonous on Earth’?
- Australian scientist Dr Karl Kruszelnicki had addressed an age-old myth
- Many believe that daddy’s long legs have spider teeth that are ‘too short’ to bite
- In a video, Dr. Karl that the insects can actually penetrate the skin with canine teeth
- But the poison is ‘incredibly mild’ and ‘won’t kill you’
Australian scientist Dr Karl Kruszelnicki has raised an age-old myth about the long-legged daddy spider believed by thousands to be true.
Many believe that the arachnids are the “most venomous” spiders in the world and that their fangs are too short to do any damage — but Dr. Karl said this is not the case.
In a short TikTok videoBoffin, 73, said the canines can sometimes penetrate the skin, but the venom is “incredibly mild” and “won’t kill you.”
“I think we’ve all spun a web of lies,” Dr Karl said in the now viral clip.
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Beloved boffin Dr. Karl Kruszelnicki said the fangs of daddy’s leggy spiders can sometimes be long enough to penetrate the skin, but the venom is “incredibly mild” and “won’t kill you”
“We’ve all heard the story that the long-legged daddy spider is the most venomous spider on Earth, but it can’t kill you because its fangs are too short,” he said.
dr. Karl added that the canines are “sometimes long enough” to bite into the skin, but this is unlikely.
“The poison is there, but it’s unbelievably, unbelievably, unbelievably mild — it won’t kill you,” he said.
The myth that daddy’s long legged spiders have been circling for decades, but there’s no scientific evidence to back it up.
In the video, Dr. Karl also other facts about these spiders and he said a lot are ‘opilionids’ with only two eyes instead of eight.
He also said that spiders can be “poisonous” and not “poisonous” because the venom is not taken by mouth.
Within 24 hours, the video went viral with over 360,000 views.
‘I am 38 years old today and ONLY well trained on Daddy’s long legs. My childhood was a lie,” one wrote in the comments.
Another added: “But who started it?!?”
“Thank you Dr Karl for this information, I will impress my friends with it next week,” said a third.
In another video, Dr. Karl says that cracking your knuckles doesn’t lead to arthritis, but can hinder your ability to open jars later in life.
He cited two studies that debunked the myth that cracking your knuckles would give you arthritis
“When you pull on your finger to crack the joint, you widen the joint space — the space between the bones — and this sucks the ligaments in and creates a gas bubble,” explains Dr. Karl out in the now viral clip.
‘But the energy that is released is only about seven percent of what you need to damage the cartilage.’

In another video, Dr. Karl that cracking your knuckles won’t lead to arthritis, but may hinder your ability to open jars later in life
The doctor put forward a study that involved a doctor who only cracked the knuckles of his left hand for 50 years.
“Ultimately, there’s no difference in arthritis between this hand and that hand, but one person isn’t enough,” he said.
Another study that Dr. Karl emphasized, had a much larger sample size of 300 people who spent 35 years cracking the joints in both their hands.
“They didn’t have any additional cases of arthritis, but they had slightly swollen joints, which in itself isn’t a big deal, and their grip strength is about a quarter of what it should be,” he said.
“So there’s not strong evidence that cracking your knuckles will give you arthritis, but it can make it difficult to unscrew a jar of Vegemite.”
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