Spiderwebs can capture environmental DNA, or eDNA, from vertebrate animals in their area, potentially making them a useful tool in animal monitoring, tracking and conservation.
A new global assessment of the world's amphibians finds that more than 2 of every 5 known species is at risk of extinction. Habitat loss, disease and climate change are the main drivers.
The first outbreak this year was in Equatorial Guinea, which has seen 20 deaths already. Now there are cases reported in Tanzania as well for this infectious disease with a high fatality rate.