Mammals
An international study of mammals in zoos shows that limiting reproduction through contraception or sterilization increases average lifespan by about 10 percent. The effects differ between sexes, with males benefiting from reduced testosterone and females from avoiding pregnancy's physical toll. These findings highlight a key evolutionary trade-off between breeding and survival.
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A Czech researcher has captured the first photos and videos of the elusive Subalpine Woolly Rat after it vanished from records for three decades. František Vejmělka's six-month expedition in New Guinea's highlands revealed new details about this massive rodent. The discovery highlights the untapped biodiversity in one of the world's last unexplored regions.