Several factors contribute to the rise in multiple births, including the rise of assisted reproductive technology (ART) since the 1970s, increased use of contraception and mothers giving birth at an older age, when twinning rates are higher.
Poorer nations may be left behind as wealthy nations, accounting for just 14 percent of the global population, have pre-ordered just over half of the vaccine doses expected to be produced.
A childhood vaccine may help prevent severe Covid-19 infections, while cigarette smoke increases the risk of contracting the virus, according to the latest study.
For over a decade, doctors have been testing whether the cheap, all-in-one combo pills could help prevent heart and cardiovascular disease and death.
Research organisation Deltares said the sea levels in the Netherlands have risen significantly since 1890. The country lies below sea-level and is protected from flooding by a series of defences.
The leaning tower, a high-rise which lost its footing and ended up leaning on the buildings across the street for support, will be demolished.
The 5,000-square-kilometre chunk of ice has nearly completely broken off the Larsen C ice shelf, the fourth largest in Antarctica. When it does, it will shrink Larsen C by about 10 percent and leave it with the smallest area ever recorded.
The study provides the first accurate measure of the devastating genetic damage smoking inflicts not only in the lungs, but also disrupting cell function in other organs of the body that are indirectly exposed to the smoke.
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