Category Archives: Article of the Day

Article of the Day: Gastropod Shells


Article of the Day:
Gastropod Shells

Known as a univalve shell, the shell of gastropods like snails, periwinkles, conches, whelks, limpets, and abalones is usually coiled or spiraled. This exoskeleton protects them from predators and defends land snails against the sun and drying out. Most gastropod species have shells that coil clockwise. Rarely, a member of one of these species produces a shell that coils in the opposite direction. Such shells are prized by collectors. What has the largest shell of any living gastropod? More…: https://play.google.com/store/apps/details?id=com.tfd.mobile.TfdSearch

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Article of the Day: The Mayerling Incident


Article of the Day:
The Mayerling Incident

The Mayerling Incident was the apparent murder-suicide of 30-year-old Crown Prince Rudolf of Austria and his lover, 17-year-old Baroness Maria Vetsera, in 1889. His father, the emperor, had objected to the affair and reportedly ordered them to end the relationship. Rudolf became despondent and allegedly formed a suicide pact with his mistress. Although their deaths were officially declared a double suicide, efforts to disguise the facts provoked many rumors, including what conspiracy theories? More…: https://play.google.com/store/apps/details?id=com.tfd.mobile.TfdSearch

Article of the Day: Mud-Puddling


Article of the Day:
Mud-Puddling

Lepidopteran insects like butterflies and moths use diverse strategies to gather liquid nutrients. In addition to sucking nectar from flowers, some butterflies take in water and nutrients such as salts and amino acids from substrates like wet soil, dung, and carrion. In many species, only the males engage in mud-puddling, but they pass nutrients to females during mating, increasing their odds of reproductive success. Some butterflies draw nutrients from blood, tears, and what other substances? More…: https://play.google.com/store/apps/details?id=com.tfd.mobile.TfdSearch

Article of the Day: The “From Hell” Letter


Article of the Day:
The “From Hell” Letter

In 1888, several women were murdered in the East End section of London and mutilated in ways that suggested the culprit had substantial anatomical knowledge. Authorities received hundreds of letters regarding the murders, including a number of taunting notes purportedly from the killer himself—”Jack the Ripper.” However, many of the letters were believed to be hoaxes. One of the few notes thought to be authentic began with the words “from hell” and was delivered with a small box containing what? More…: https://play.google.com/store/apps/details?id=com.tfd.mobile.TfdSearch

Article of the Day: Kumari


Article of the Day:
Kumari

Worshipped by Nepali Buddhists and some Nepali Hindus but not by Tibetan Buddhists, a Kumari is a young girl from the Shakya caste of Nepal’s indigenous Newa people who is regarded as the bodily incarnation of the goddess Taleju. Because her feet are considered sacred and may not touch the ground, she is carried everywhere. She maintains her position until she reaches puberty, after which it is believed the goddess vacates her body. Why was a Kumari temporarily stripped of her title in 2007? More…: https://play.google.com/store/apps/details?id=com.tfd.mobile.TfdSearch

Article of the Day: Noise Pollution


Article of the Day:
Noise Pollution

Noise is a recognized form of pollution, but it is difficult to measure because the annoyance or discomfort it causes varies between individuals. There is evidence that hearing sensitivity among young Americans is decreasing because of exposure to noise, including overly amplified music. Apart from hearing loss, excessive noise can cause sleeplessness, ulcers, high blood pressure, and possibly heart disease. A 2005 study found that city residents are willing to pay how much for noise reduction? More…: https://play.google.com/store/apps/details?id=com.tfd.mobile.TfdSearch

Article of the Day: Wok Racing


Article of the Day:
Wok Racing

A wok is a large metal pan with a rounded bottom used in Asian cooking and, in recent years, for racing. Developed by German TV host Stefan Raab as the result of a bet, wok racing involves individuals or teams of four riding woks down an Olympic bobsled track. The first official Wok World Championship was held in 2003 and has continued each year since, drawing celebrities as well as Olympic athletes. What kitchen utensils do racers wear on their feet as protective gear? More…: https://play.google.com/store/apps/details?id=com.tfd.mobile.TfdSearch