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Without counting with the microscopic fungi, there are 3,800 species of mushrooms in Europe alone. 250 species are toxic but very few can kill: about 12 species. The same mushroom species can have various effects, depending on its age, consumed amount and the health state of the consumer.In France, three mushrooms ar... |
2 April 2008
16:46 GMT |
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Newts and salamanders may look cute and helpless, but you'd be surprised to know that they produce one of the most powerful toxins for protection in the amphibian world. Still, the common garter snakes (Thamnophis sirtalis) of North America indulge in rough-skinned newts (Taricha granulosa), considered the most ... |
20 March 2008
05:33 GMT |
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Napoleon ruled Europe at his will for 20 years, until his ultimate defeat in the battle of Waterloo, in 1815. Imprisoned, he was exiled by the British in St. Helena, one of the most isolated islands in the world, in Southern Atlantic Ocean. He mysteriously died there on May 5, 1821. Arsenic poisoning has been for lon... |
13 February 2008
03:39 GMT |
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It may not be the choice food when going to a date (and not only), but beyond the scent, garlic is a panacea. It is rich in manganese, phosphorous, selenium, calcium, potassium, iron and copper, and also in vitamins B1, B6 and C. Garlic contains sugar, and this is more evident in cooked garlic. Garlic has heart prote... |
16 January 2008
04:55 GMT |
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In the scorching deserts of southern and eastern Africa and Arabia, where rainfall is a miracle, grows a jewel: the Desert-rose (Adenium obesum), also called Sabi Star or Kudu. It is closely related to the oleander from the Mediterranean area. With a delicate shape and contorted branches, this evergreen succulent shr... |
21 December 2007
06:25 GMT |
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There are at least 500 species of medicinal plants utilized by the Indians of Amazon. 10 species coming from the Amazon are already employed by drug companies. Cat's claw (Uncaria tomentosa) is a woody vine related to the coffee tree, employed locally in Amazonia (Peru, Bolivia and Ecuador), drunk as infusion. T... |
22 November 2007
14:06 GMT |
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Frogs can be pretty or not, but few people know that they can be extremely toxic. Most frogs you see are highly venomous (with one exception: the common frogs of the Rana genus). Like the cute little tree frogs. Still, they have their predators. Some snakes have 'a preference' for them, even venomous frogs,... |
13 November 2007
03:35 GMT |
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Summer could be 'the season of food poisoning'; however, the problem can occur during the entire year. Food poisoning includes two cases: food intoxications and food infections. Intoxications occur when the toxin is already present in the food, and by heating or boiling it, the toxin is not destroyed. The i... |
25 September 2007
14:56 GMT |
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If you thought Brazil has the most diverse fauna in South America (and in the world), you're wrong: this title belongs to Colombia. This is also showed by the rhythm of newly discovered species in this country: now researchers have found a new poisonous frog in a remote mountainous region of Colombia. The new sp... |
30 August 2007
05:19 GMT |
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Fireworks make up a beautiful display of sound and color and are the main attraction in many social events, like festivals, inaugurations, concerts, but most of all, on the New Year's Eve. They may be beautiful on the outside, but they have some pretty weird stuff on the inside.The earliest recorded fireworks da... |
2 July 2007
11:22 GMT |
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When this method was introduced in the late 1970s in Oklahoma, it was regarded as a more human way of execution and was soon adopted by many states as the main form of death penalty. Lethal injection, in which three toxic chemicals are administered to the condemned (sodium thiopental, an anesthestetic; pancuronium br... |
20 June 2007
05:30 GMT |
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Poison frogs are famous for their toxin which is used for poisoning arrow tips. Their bright vivid colors warn the predators on their toxicity. The toxins from the frog skin protecting it from predators and infections are chemicals called alkaloids. But frogs cannot synthesize the alkaloids themselves, they have to a... |
16 May 2007
03:03 GMT |
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There is no such thing as perfect crime, an undetectable crime where the killer gets away free. This is more fiction than reality, as most criminals are given away by even the simplest clues. There has been an increasing complexity in the way murderers kill their victims. One of the first things a criminal tries to d... |
11 May 2007
06:03 GMT |
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