June 2022, ScientificAmerican.com 17CANADA
Although caribou populations
are declining across most
of the Canadian wilderness,
research suggests British
Columbia’s Klinse-Za herd
has tripled in size in nine
years. The herd is protected
through a program led by two
First Nations groups.SPAIN
Archaeologists studying Paleolithic cave art in Cantabria
found that up to a quarter of the ochre handprints placed
there were made by children. The prints were likely
made by blowing red pigment through a hollow reed or
bone over a hand used as a stencil.For more details, visit
http://www.ScientificAmerican.com/
jun2022/advancesECUADOR
Researchers described two new-to-science
species of glass frog—tiny, transparent
amphibians living in the Andes foothills.
Despite looking nearly identical and living on
opposite sides of a river valley, the two species
have surprisingly different genomes.RWANDA
Scientists in Nyungwe National Park recently captured a Hill’s
horseshoe bat, a species last spotted by scientists in 1981. The
researchers recorded the critically endangered bat’s call before
release so they can monitor its population in the future.SCOTLAND
New analysis of the famous “bodies in the bog” found near
Edinburgh indicates that at least two—a man and a woman—
were born far from their final resting place. Scientists
used traces of chemical isotopes from the individuals’
teeth to determine their status as Medieval ramblers.IN THE NEWSQuick
Hits
By Joanna ThompsonTANZANIA
A program on the semiauton-
omous islands of Zanzibar
combines drones and a
smartphone app to map
malaria-carrying mosquito
hotspots. The mosquitoes
breed in tiny bodies of stand-
ing water, which are difficult
to survey on foot—but one
drone can cover more than
70 acres in about 20 minutes.ADVANCES
© 2022 Scientific AmericanCANADA
Although caribou populations
are declining across most
of the Canadian wilderness,
research suggests British
Columbia’s Klinse-Za herd
has tripled in size in nine
years. The herd is protected
through a program led by two
First Nations groups.SPAIN
Archaeologists studying Paleolithic cave art in Cantabria
found that up to a quarter of the ochre handprints placed
there were made by children. The prints were likely
made by blowing red pigment through a hollow reed or
bone over a hand used as a stencil.For more details, visit
http://www.ScientificAmerican.com/
jun2022/advancesECUADOR
Researchers described two new-to-science
species of glass frog—tiny, transparent
amphibians living in the Andes foothills.
Despite looking nearly identical and living on
opposite sides of a river valley, the two species
have surprisingly diff erent genomes.RWANDA
Scientists in Nyungwe National Park recently captured a Hill’s
horseshoe bat, a species last spotted by scientists in 1981. The
researchers recorded the critically endangered bat’s call before
release so they can monitor its population in the future.SCOTLAND
New analysis of the famous “bodies in the bog” found near
Edinburgh indicates that at least two—a man and a woman—
were born far from their fi nal resting place. Scientists
used traces of chemical isotopes from the individuals’
teeth to determine their status as Medieval ramblers.IN THE NEWSQuick
Hits
By Joanna ThompsonTANZANIA
A program on the semiauton-
omous islands of Zanzibar
combines drones and a
smartphone app to map
malaria-carrying mosquito
hotspots. The mosquitoes
breed in tiny bodies of stand-
ing water, which are diffi cult
to survey on foot—but one
drone can cover more than
70 acres in about 20 minutes.ADVANCES
sad0622Adva3p.indd 17sad0622Adva3p.indd 17 4/20/22 4:43 PM4/20/22 4:43 PM
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