I Vacuum Venom from the World's Deadliest Spider

TL;DR

Funnel-web spiders in Australia produce venom that is highly toxic to humans, and the Australian Reptile Park milks the spiders to create anti-venom. This process has saved numerous lives since 1981.

Transcript

• [Derek] For some people, this room might be the scariest place on earth. Behind these black curtains are deadly spiders, (tense ominous music) hundreds of them. And what we're gonna do is poke them, make them angry, and then suction the venom that appears at the end of their really long fangs. Well, this is about as close as I ever want to get to... Read More

Key Insights

• 🕸️ Funnel-web spiders in Sydney, Australia, often come into contact with humans in dark, cool areas.
• 🕸️ The venom of funnel-web spiders is highly toxic to humans, causing rapid paralysis and potential death within hours.
• 🕷️ The Australian Reptile Park milks the spiders to collect their venom, which is used to produce anti-venom, saving lives since 1981.
• 🇦🇬 Anti-venom production requires 150 spiders to be milked by hand for 12 hours to produce one vial of anti-venom.
• 💄 The venom's lethality is specific to primates, making humans particularly susceptible.
• 🐰 Rabbits are used to develop immunity to the venom and produce the necessary antibodies for anti-venom.
• 👱 Funnel-web spiders can survive underwater for up to 30 hours by trapping air bubbles in their abdomen hairs.

Questions & Answers

Q: How does the venom of a funnel-web spider affect the human body?

When a person is bitten by a funnel-web spider, the venom affects nerve cells and causes neurotransmitters to continuously flood the nervous system, leading to muscle spasms, increased heart rate, and eventual paralysis.

Q: Why is funnel-web venom more deadly to humans compared to other mammals?

The venom's lethality is specific to primates, including humans, due to the way it binds to sodium ion channels in the nervous system. Other mammals do not have the same binding site, so they experience minimal symptoms or effects.

Q: How is anti-venom produced from funnel-web spider venom?

The venom collected from the spiders is injected into rabbits, which gradually build up immunity to the venom. Once the rabbits can withstand a lethal dose six times over, their blood is collected and spun to separate the antibodies that form the anti-venom.

Q: How effective is the anti-venom produced from funnel-web spider venom?

Since the program began, no deaths have occurred from funnel-web spider bites in Australia. The anti-venom has proven to be highly effective in treating bites and preventing severe reactions.

Summary & Key Takeaways

• Funnel-web spiders, known for their venomous bites, live in Sydney and often come into contact with humans in dark, cool areas.

• The venom from these spiders can be deadly to humans and is fast-acting, causing paralysis and eventual organ failure.

• The Australian Reptile Park milks the spiders to collect their venom, which is then used to produce anti-venom that saves lives.