spider venom

7 Stories

What Makes Black Widows So Deadly

They evolved quickly with same venom compounds as house spiders

(Newser) - Black widow spiders are known for their lethal venom, but just how did they get so deadly? Apparently by evolving quickly over the years during their pursuit of "ever-bigger prey," Discovery reports. According to a new study, black widows and house spiders have comparable toxic compounds in their... More »

Look Out Black Widow, Here Comes Brown Widow

Less toxic rivals may be taking over in West

(Newser) - Good news: You may now be slightly less likely to find a black widow spider hiding in your shoe. Researchers discovered that the deadly arachnid is being crowded out of swaths of its native US territory by a new creepy crawler to the scene—the brown widow, reports LiveScience . The... More »

Mystery Spiders Swarm Town, Leave 2 Dead

Indian town of Sadiya reels from arachnid invasion

(Newser) - Venomous spiders have swarmed the Indian town of Sadiya, killing two people and flooding hospitals with spider bite victims, the Global Post reports. The previously unknown species, which resembles the tarantula, crawled in about a month ago and wreaked havoc at a Hindu festival. A man and a schoolboy have... More »

Stung by a Scorpion? Mexico Will Save You

Despite 250 stings a year, US drug companies won't make anti-venom

(Newser) - With the United States having run out of scorpion anti-venom nearly 10 years ago, the FDA has just approved a Mexican-made treatment for scorpion stings, reports NPR . Although there are about 250 severe scorpion stings a year in the United States—mainly in the "Venom Belt" in the southwest—... More »

The Next Viagra Could Come From ... Spider Venom

One bite known to cause four-hour erections

(Newser) - One bite from the Brazilian wandering spider can cause loss of muscle control, difficulty breathing, and even death. But, good news! It can also cause four-hour-long erections, and that’s the side effect researchers are excited about. One of the toxins found in the spider’s venom causes priapism, “... More »

Killer Spiders Invade Sydney

Warm weather blamed for influx of funnel-webs

(Newser) - A heavy infestation of funnel-web spiders is giving Sydney residents the jitters. Experts say the spider—one of the deadliest and most aggressive in existence—is arriving in unusually large numbers because of warm and wet weather. The spider's bite can be fatal within two hours, although no Australians have... More »

Spider Venom the New Viagra

(Newser) - Men with erectile dysfunction may get an assist, believe it or not, from the Brazillian wandering spider—also dubbed the banana spider for its propensity to hide in bunches of the fruit. Researchers at Johns Hopkins have isolated a compound in the spider's deadly saliva that causes erections, der Spiegel... More »

7 Stories