A study published in the journal Cell on June 30 shows that when humans and mice are infected with dengue or Zika viruses, they secrete a chemical that may make them more attractive to mosquitoes, the vector that transmits ...
Cell & Microbiology
Jun 30, 2022
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0
Extreme heat was associated with higher all-cause mortality from 2008 to 2017, according to a study published online May 19 in JAMA Network Open.
Environment
May 25, 2022
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21
In recent years, the Great Barrier Reef off Australia's northeast coast has seen multiple events of mass coral bleaching as human-caused global warming has driven sustained high temperatures in the ocean.
Environment
May 19, 2022
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11
Canadian poultry farmers are facing fear and stress as a highly pathogenic strain of H5N1 avian influenza is currently circulating in both wild and domestic flocks across North America.
Veterinary medicine
May 07, 2022
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22
Bird flu is killing an alarming number of bald eagles and other wild birds, with many sick birds arriving at rehabilitation centers unsteady on their talons and unable to fly.
Ecology
May 05, 2022
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83
Italian nurse Daniela Poggiali was arrested and convicted of murdering two hospital patients in 2014. Her case attracted the attention of Leiden statistician Richard Gill. After his investigation, together with an Italian ...
Mathematics
Apr 26, 2022
0
156
The inclusion of a high-flavonoid corn, developed by a Penn State maize geneticist, in the diet of broiler chickens reduced the incidence and severity of a fatal intestinal disorder known as necrotic enteritis.
Plants & Animals
Apr 21, 2022
0
18
New research finds that longer and warmer autumns make it less likely that green-veined white butterflies will survive winter to emerge in spring. The findings are published in the British Ecological Society journal, Functional ...
Ecology
Apr 01, 2022
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13
Finding love in a small isolated place can be tough when everyone is a familiar face, or when half the dating pool is already out because they're all close relatives.
Plants & Animals
Mar 07, 2022
0
150
In 2019, not long before the unusual weather event that changed day into night in São Paulo City (Brazil), dozens of pigeons mysteriously dropped dead. Birds displaying wounds as well as neurological symptoms were found ...
Plants & Animals
Mar 02, 2022
0
43
It is estimated, based on archaeological data and written records from European settlers, that from 8 to 140 million indigenous people lived in the Americas when the 1492 voyage of Christopher Columbus began a historical period of large-scale European interaction with the Americas. European contact with what they called the "New World" led to the European colonization of the Americas, with millions of emigrants (willing and unwilling) from the "Old World" eventually resettling in the Americas.
While the population of Old World peoples in the Americas steadily grew in the centuries after Columbus, the population of the American indigenous peoples plummeted. This was somewhat caused by direct conflict and warfare with European colonizers and other Native American tribes, but probably mostly due to their susceptibility to old world diseases [smallpox, influenza, bubonic and pneumonic plagues, etc.] that they had never before been exposed to. The extent (and to a lesser extent the causes) of this population decline have long been the subject of debate.
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