This contribution is part of the special series of Inaugural Articles by members of the National Academy of Sciences elected in 2021. The ubiquity of eukaryotic sexual reproduction is a mystery. Fungi ...

Most populations of animals produce genetically different offspring via sexual reproduction. A small minority of animals, however, use asexual reproduction to produce offspring that are genetically ...

Birds do it, and bees do it. Indeed, researchers estimate that over 99.9% of eukaryotes reproduce sexually. What, then, are the true costs and benefits of sex? Yet again, this simple example ...

1 Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China 2 Department of Human Anatomy, Tongji Medical College, Huazhong University of ...

Life-history theory, central to our understanding of diversity in morphology, behaviour, and senescence, describes how traits evolve through the optimisation of trade-offs in investment. Despite ...

Activity 1 – Tap and find Activity 2 – Flowering plant quiz Activity 3 – Steps of flowering reproduction Activity 4 – Label the sexual organs Unlike animals, plants don’t need a male and a female to ...

Researchers have discovered that phenylbutazone, a non-steroidal anti-inflammatory drug (NSAID) commonly prescribed in horses, can affect the ability of a mare's egg cells -- called 'oocytes' -- to ...