Articles on Sexual selection

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A woman takes a selfie with three others while attending the Vaisakhi Parade in Surrey, B.C., on April 22, 2017. THE CANADIAN PRESS/Darryl Dyck

Punjabi ideas of honour can lead to girl-shaming and prenatal sex selection

Studies suggest a significant proportion of Indian-origin families in Canada are practising female feticide. It is crucial to understand how gender inequality may lead to sex selection.
The recent decriminalisation debates in Australia have included a new focus on partial restrictions on abortions – a strategy that has been very successful in many US states. Joel Carrett/AAP

How the US right-to-life movement is influencing the abortion debate in Australia

The Australian right-to-life movement is tiny compared to the US, but its recent adoption of US-style campaign strategies has given it an outsize voice in the debate here.
This skull belongs to the carnivorous gorgonopsian therapsid Smilesaurus ferox which lived 255 million years ago. Cradle of Humankind/Flickr/Wikimedia

You can thank our pre-mammalian ancestors for your sexy teeth

Modern sabre-tooth mammals have their canines constantly on display. This allows them to seduce mates. But was sexual selection also an important phenomenon among our pre-mammalian ancestors?
The idea of ‘family balancing’ is based on the belief that children come in two genders that have essentially different traits. Jason Pratt/Flickr

Choosing children’s sex is an exercise in sexism

The risk of harm in sex selection stems from the fact that parents don't desire any child, they want a child of a particular sex, who is to remain within the limits of binary gender roles.
Should parents be allowed to select the sex of their child through IVF when there’s no compelling medical reason to do so? Marcus Hansson/Fkickr

Why we should consider whether it’s time to allow sex selection in IVF: NHMRC

The National Health and Medical Research Council call for public submissions on whether sex selection should be allowed without a medical reason recognises changing social attitudes.
Gaudy appearance, cocky sashay, singing voice … peacock or Jagger? EPA/Facundo Arrizabalaga

Strut your stuff: how rockstars and peacocks attract the ladies

What is it that makes rockstars so attractive to the opposite sex? Turns out Charles Darwin had it pegged hundreds of years ago – and it has a lot to do with peacocks. In The Descent of Man, and Selection…
The sexual activity of the southern bottletail squid involves choosy females eating losers’ ejaculate. Saspotato

Squid or swallow: the sexual tastes of a cephalopod

In romantic circles, reproduction is viewed as a harmonious venture between the sexes. After all, if you aim to produce the best offspring possible, wouldn’t it also be best to cooperate with your partner…

Female fruit flies determine paternity

There are new insights as to how females play a significant role in determining paternity. The Syracuse University study…

Sexual selection in the bottletail squid

New insights have been made into how male southern bottletail squids produce the greatest number of offspring. The female…
It turns out guppy genital length is genetic – for females as well as males. Alice Chaos

Guppies and sexual conflict? It’s a genital arms race

It’s not always easy to tell if a fish is male or female: they look more or less the same. But there are exceptions, such as guppies and, as with humans, guppy genitalia varies in size across the species…

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