Guest Author • Apr 07, 2022 •
Professor Kevin Burns, Te Herenga Waka — Victoria University of Wellington Most of us know the sad story of New Zealand’s natural history. Having evolved for millennia in the absence of mammals, most New Zealand animals never learned how to cope with the throngs of predatory mammals that accompanied us on our journey to Aotearoa New Zealand. Thankfully, recent conservation … Read More
Nic Rawlence • Sep 10, 2021 •
Prioritising species conservation and over-stretched government funding is built upon an accurate understanding of evolutionary relationships and taxonomy. But what if that evolutionary history is wrong? More importantly, what are the consequences for endangered biodiversity as conservation funding and resources are re-assigned? Numerous examples have come to light in recent years where genetic techniques have shown previously recognised endangered or … Read More
Guest Author • Sep 08, 2021 •
Sara Ryding, Deakin University and Matthew Symonds, Deakin University Global warming is a big challenge for warm-blooded animals, which must maintain a constant internal body temperature. As anyone who’s experienced heatstroke can tell you, our bodies become severely stressed when we overheat. Animals are dealing with global warming in various ways. Some move to cooler areas, such as … Read More
Alison Campbell • Sep 07, 2021 •
Humans are the only living hominid that can throw objects accurately & at speed – while some of the other great apes can throw objects, their speed & accuracy is not the best. (In his musing on human evolution, Darwin noted that adaptations allowing this would be at a selective advantage as they would increase hunting effectiveness.) I found … Read More
Guest Author • Jul 27, 2021 •
Ian Towle; Carolina Loch, and Thomas Loho, University of Auckland Teeth can tell us a lot about the evolution of prehistoric humans, and our latest study of one of our species’ close relatives may finally resolve a long-standing mystery. The genus Paranthropus is closely related to ours, Homo, and lived about one to three … Read More
Nic Rawlence • May 31, 2021 •
The eastern moa is stuck fast in the swamp, its thick legs having punched through the peat into the liquid blue clay beneath. Death is inevitable, whether from starvation or from above. Unable to move, the moa can only eat what it can reach around it, if anything. The forests that covered this area during warmer times are … Read More
Robert Hickson • May 16, 2021 •
In books and movies it is often a good plot point for a disease (or monster) to escape, accidentally or with assistance, from a government lab. There are also real cases of pathogens getting out of labs (but quickly being controlled). That’s also a discussion going on now about Covid-19. Natural evolution or human agency? Spillover or … Read More
Guest Author • May 14, 2021 •
Silke Cleuren, Monash University; Alistair Evans, Monash University, and David Hocking, Monash University Few structures in nature inspire more fear and fascination than the fangs of venomous snakes. These needle-like teeth are used by snakes to pierce their prey and inject deadly venom. With more than 3000 species of snake inhabiting our world, we wondered: are all their fangs … Read More
Robert Hickson • Dec 20, 2020 •
Mutant and virus are two words that rarely go well together. Reports from the UK that a variant of SARS-CoV-2 has emerged (called lineage B.1.1.7), and may be more readily transmissible, aren’t what we want to hear just before Christmas, or any time. However, it isn’t necessarily a nightmare scenario. Coronaviruses have relatively low levels of mutation, … Read More
Guest Author • Dec 15, 2020 •
Dan Falk Prince Hamlet spent a lot of time pondering the nature of chance and probability in William Shakespeare’s tragedy. In the famous “To be or not to be” speech, he notes that we helplessly face “the slings and arrows of outrageous fortune” — though a little earlier in the play he declares that “there’s a special providence … Read More