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Carnivores in Captivity Give Birth at the Same Time of Year as Those in the Wild

May 7, 2018

Reproductive seasonality is a fixed characteristic of a species – University of Zurich researchers have now found that…
Where food is limited, guppy mothers gestate their young longer

October 12, 2017

Trinidadian guppy mamas can’t swap links to maternity blogs or copies of pregnancy books, yet evolution has made…
Prehistoric humans are likely to have formed mating networks to avoid inbreeding

October 10, 2017

Early humans seem to have recognised the dangers of inbreeding at least 34,000 years ago, and developed surprisingly sophisticated social…
Researchers Explain the Mechanism of Asexual Reproduction in Freshwater Flatworms

September 26, 2017

Freshwater planarians, found around the world and commonly known as “flatworms,” are famous for their regenerative prowess. Through…
Baby boomer squirrels master tricky timing

August 29, 2017

Female squirrels who align their reproduction to take advantage of food-rich years and have more pups that survive…
Smells Like Queen Spirit

August 18, 2017

Queen ants spend most of their time having babies. To reign supreme in a colony, they exude a…
Colony density, not hormones, triggers honeybee ‘puberty’

May 6, 2017

New research helps answer a long-standing mystery of how honeybees sense the size and strength of their colony,…
Male bird learns to apeal to his partner – brings just the kind of food she desires

April 23, 2017

For some reason, men are often compared to pigs. However, a research done by scientists from Victoria University…
Fossil discovery rewrites understanding of reproductive evolution

February 15, 2017

A remarkable 250 million-year-old “terrible-headed lizard” fossil found in China shows an embryo inside the mother – clear evidence…
Sexual harassment in the fish world : male guppies suffer most

February 14, 2017

Male guppies pay a high cost for their sexual harassment of female guppies – including much higher mortality…
Biologists identify reproductive traffic cop

January 23, 2017

Before an egg becomes fertilized, sets of chromosomes must pair up to pass along genetic information. This happens…
Out of gas and low on sperm?

December 28, 2016

Kyoto University uncovers a genetic key to self-renewal of reproductive cells Sperm are constantly replenished in the adult…
Potential target for restoring ejaculation in men with spinal cord injuries or ejaculatory disorders

December 5, 2016

New research provides insights on how to restore the ability to ejaculate in men who are not able…
Researchers create synthetic cells to isolate genetic circuits

November 14, 2016

Synthetic biology allows scientists to design genetic circuits that can be placed in cells, giving them new functions…
Chimpanzee babysitters – key to quicker reproduction

November 13, 2016

Our complex social orders look incomparable to the ones of animals. We created many institutions, codes and norms,…
Fertile Eggs Produced from Skin Cells for the First Time

October 22, 2016

In a scientific first, Japanese researchers had created mature eggs from skin cells extracted from the tails of…
Scientists make embryos from non-egg cells

September 13, 2016

Scientists have shown for the first time that embryos can be made from non-egg cells, a discovery that…
A molecular alarm clock awakens resting ovules

August 19, 2016

At the start of reproductive life an ovary contains, on average, several thousands of immature ovules in a…
Climate change alters the rules of sperm competition in the sea

August 18, 2016

Researchers from the University of Exeter have shown that increasing ocean acidification, brought about by manmade carbon emissions,…
Age-related Infertility May Be Caused By Scarred Ovaries

August 10, 2016

Women’s decreased ability to produce healthy eggs as they become older may be due to excessive scarring and…
Age-related infertility may be caused by scarred ovaries

August 7, 2016

Women’s inability to produce healthy eggs as they grow older may be caused by ovarian aging Women’s decreased…
Researchers shed light on evolutionary mystery: Origins of the female orgasm

August 2, 2016

Female orgasm seems to be a happy afterthought of our evolutionary past when it helped stimulate ovulation, a…
Sexual rivalry may drive frog reproductive behaviors

July 27, 2016

It may be hard to imagine competing over who gets to kiss a frog, but when it comes…
The biological clock gets a time stamp

June 7, 2016

Yale School of Medicine researchers have identified the molecular pathways involved in the aging of human eggs. This…
Turtles immune to old age? Maybe not, according to new research

May 16, 2016

Researchers at Iowa State University are rethinking the long-held conventional wisdom that turtles don’t suffer some of the…
Saltwater crocodile sperm may hold secret to male infertility

May 5, 2016

Saltwater crocodiles may help solve male infertility after a remarkable discovery that crocodile sperm, after leaving the testes,…
‘Fireflies’ Light the Way to Understanding Female HIV Transmission

May 3, 2016

Finding the vulnerable points where HIV enters the female reproductive tract is like searching for needles in a…
No males needed: All-female salamanders regrow tails 36 percent faster

May 2, 2016

The lady salamander that shuns male companionship may reap important benefits. For instance, when a predator snaps off…
Scientists discover new way of testing reproductive compatibility

March 29, 2016

Scientists from The University of Western Australia have discovered a new way of measuring the effectiveness of different…
Scientists identify genetic switch for female sexual behavior

March 19, 2016

By studying the complex mating routine of African cichlid fish, a team of Stanford scientists has keyed in…
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