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  2. Child mortality - Wikipedia

    en.wikipedia.org/wiki/Child_mortality

    Infant death refers to the death of a child before their first birthday or within 12 months of life. Some of the main causes include premature birth, SIDS, low birth weight, malnutrition and infectious diseases. And lastly, the under-5 mortality rate refers to children who die under the age of 5 years old or within the first 5 years of life. [10]

  3. Prenatal development - Wikipedia

    en.wikipedia.org/wiki/Prenatal_development

    Different terms are used to describe prenatal development, meaning development before birth. A term with the same meaning is the "antepartum" (from Latin ante "before" and parere "to give birth") Sometimes "antepartum" is however used to denote the period between the 24th/26th week of gestational age until birth, for example in antepartum ...

  4. Puberty - Wikipedia

    en.wikipedia.org/wiki/Puberty

    A 2006 study in Denmark found that puberty, as evidenced by breast development, started at an average age of 9 years and 10 months, a year earlier than when a similar study was done in 1991. Scientists believe the phenomenon could be linked to obesity or exposure to chemicals in the food chain, and is putting females at greater long-term risk ...

  5. Washington (state) - Wikipedia

    en.wikipedia.org/wiki/Washington_(state)

    During the winter months, some of these passes are plowed, sanded, and kept safe with avalanche control. Not all stay open through the winter. The North Cascades Highway, State Route 20, closes every year due to snowfall and avalanches in the area of Washington Pass. The Cayuse and Chinook passes east of Mount Rainier also close in winter. [217]

  6. LNER Peppercorn Class A1 60163 Tornado - Wikipedia

    en.wikipedia.org/wiki/LNER_Peppercorn_Class_A1...

    LNER Class A1 Peppercorn 60163 Tornado Tornado on the East Coast Main Line in 2016 Type and origin Power type Steam Designer Arthur Peppercorn (original designer) Builder A1 Steam Locomotive Trust Build date 1994–2008 Website www.a1steam.com Specifications Configuration: • Whyte 4-6-2 Leading dia. 3 ft 2 in (0.965 m) Driver dia. 6 ft 8 in (2.032 m) Trailing dia. 3 ft 8 in (1.118 m) Length ...

  7. Halley's Comet - Wikipedia

    en.wikipedia.org/wiki/Halley's_Comet

    Halley's Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, [16] appearing every 72–80 years, [17] though with the majority of recorded apparations (25 of 30) occurring after 75–77 years.

  8. World population - Wikipedia

    en.wikipedia.org/wiki/World_population

    The median age of the world's population is estimated to be 31 years in 2020, [9] and is expected to rise to 37.9 years by 2050. [73] According to the World Health Organization, the global average life expectancy is 73.3 years as of 2020, with women living an average of 75.9 years and men approximately 70.8 years. [74]

  9. Seven deadly sins - Wikipedia

    en.wikipedia.org/wiki/Seven_deadly_sins

    The Lutheran divine Martin Chemnitz, who contributed to the development of Lutheran systematic theology, implored clergy to remind the faithful of the seven deadly sins. [ 19 ] Listed in order of increasing severity as per Pope Gregory I, 6th-century A.D., the seven deadly sins are as follows: