Topic description and stories

Janavis finalidens, the last known toothed bird.

Bird beak evolved before dinosaur extinction

30 Nov 2022

Fossilised fragments of a skeleton, hidden within a rock the size of a grapefruit, have helped upend one of the longest-standing assumptions about...

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Chimpanzee

Tree-dwelling mammals survived after asteroid strike destroyed forests

14 Oct 2021

An asteroid strike 66 million years ago wiped out the non-avian dinosaurs and devastated the Earth’s forests, but tree-dwelling ancestors of primates...

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Cat

Opinion: Can cats really get or pass on COVID-19, as a report from Belgium suggests?

31 Mar 2020

Should we be concerned about the coronavirus spreading to cats? Not yet, says Dr Sarah Caddy in this article for The Conversation, even after a...

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L-R: Knysna Turaco, Great Blue Turaco, Knysna Turaco

Past climate change pushed birds from the northern hemisphere to the tropics

10 Jun 2019

Researchers have shown how millions of years of climate change affected the range and habitat of modern birds, suggesting that many groups of...

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Nicrophorus vespilloides with mites

Mighty mites give scrawny beetles the edge over bigger rivals

06 Mar 2019

Smaller beetles who consistently lose fights over resources can gain a competitive advantage over their larger rivals by teaming up with another...

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Alpine ibex

Managed hunting can help maintain animal populations

21 May 2018

Researchers studying the hunting of ibex in Switzerland over the past 40 years have shown how hunts, when tightly monitored, can help maintain animal...

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Expresso Porco

Massive projected increase in use of antimicrobials in animals could lead to widespread antimicrobial resistance in humans

28 Sep 2017

The amount of antimicrobials given to animals destined for human consumption is expected to rise by a staggering 52% and reach 200,000 tonnes by 2030...

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Angels have the phone box

Why be human when you can be otherkin?

16 Jul 2016

As social beings, a sense of identity plays an important role in our relations – and in our own happiness. But identity doesn’t have to be narrowly...

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Light microscope image of the five tentacle temnocephalan Temnosewellia c.f rouxi from cultured redclaw crayfish

A 100 million-year partnership on the brink of extinction

25 May 2016

A symbiotic relationship that has existed since the time of the dinosaurs is at risk of ending, as habitat loss and environmental change mean that a...

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Top: Complete specimen of Chengjiangocaris kunmingensis from the early Cambrian Xiaoshiba biota of South China. Bottom: Magnification of ventral nerve cord of Chengjiangocaris kunmingensis.

520 million-year-old fossilised nervous system is most detailed example yet found

29 Feb 2016

A 520 million-year-old fossilised nervous system – so well-preserved that individually fossilised nerves are visible – is the most complete and best...

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Gecko and ant

Why Spider-Man can’t exist: Geckos are ‘size limit’ for sticking to walls

18 Jan 2016

Latest research reveals why geckos are the largest animals able to scale smooth vertical walls – even larger climbers would require unmanageably...

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Ant's foot showing a fluid trail

How the stick insect sticks (and unsticks) itself

07 Oct 2015

New research shows the fluid found on insects’ feet does not help them adhere to vertical and inverted surfaces, as previously thought, but may in...

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