Do animals use sign language? | Questions | Naked Scientists
2020年5月5日 · So these are amazing little birds, which have been known to show humans and other animals where to find sources of wild honey, despite not sharing their language. But even more impressive than that, in my opinion, one of my favorite examples of this, is the relationship between the red-breasted nuthatch and chickadees.
Consequences of large animal extinctions | Interviews
2024年10月25日 · Jens - If you're interested in prehistory, one thing that really stands out is that large animals used to be all over nature on all continents, whether dry, wet, cold, warm. The situation nowadays, where the biggest animals we have in nature are usually some kind of deer or something like that, it's really unusual. That's my starting point.
Do other animals see colour? | Podcasts - The Naked Scientists
2024年10月25日 · Amazing animals: bats on treadmills, and showering elephants. The Naked Scientists Podcast.
Future cancer care, and the cost of large animal extinction
2024年10月25日 · Jens - No. Big animals and even the very big, so elephant sized, were all over the place until very recently in pre-history, let's say, 10,000 to 30,000 years ago. If you go into any good natural history museum in North America or in Europe or in Asia or in Africa, you'll find elephants from these timescales.
Do other animals have a hymen? | Naked Science Forum - The …
2008年9月1日 · What is the gall bladder, what does a gall bladder do and do animals have one? Started by hamza Board Physiology & Medicine. Replies: 5 Views: 25162 22/11/2007 04:59:02 by SquarishTriangle: Are animals left or right "handed"? Started by ...lets split up... Board Plant Sciences, Zoology & Evolution. Replies: 8 Views: 19742 23/11/2008 20:04:00
Do other animals laugh? | Science Questions - The Naked Scientists
2013年7月26日 · You find it across all mammals. It's a sign. If you just watch a group of children playing, it's a sign that they are playing, that they'll make these laughter sounds to indicate this is all a game. So, I think there's probably a lot more laughter out there amongst other mammals certainly, maybe other animals as well.
Do all animals sleep? | Science Questions - The Naked Scientists
2018年1月16日 · Nick - There is evidence that they do have so called ‘hemispheric sleep’ in marine mammals as you state. But, also, other animals that need to keep swimming, for example, sharks because the need to keep seawater going through their gills to keep them oxygenated.
How did the appendix evolve? | Interviews - The Naked Scientists
2024年9月10日 · Heather - Interestingly, not all animals have an appendix, but it's also not unique to humans. So we see appendices in the clade that's referred to as euarchontoglires, which just means primates, rodents, rabbits. But we don't see it in species like carnivores or ungulates, which are just hoofed mammals. So things like deer and horses.
Could animals speak? | Interviews | Naked Scientists
2018年8月14日 · Jacob - There are other animals that can mimic speech sounds - famously a lot of birds do this like parrots, and budgies, and so on. They can make lots of different sounds; whether we think that cognitively they're using language in the same way that we are is a bit of a different question.
Are we the only animals to cook our food? - Naked Scientists
2008年11月16日 · If you eat a cooked carrot instead of a raw carrot, it's much easier. We can spend less time chewing, we can swallow it faster and we can digest it faster. It seems that it's an extension of things we see in other animals. Animals who use techniques, often in their stomachs, to tenderise food seem to try and make it more easily absorbable.