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How Immature Egg Cells in Ovaries Resist Aging
The cells’ mitochondria skip a key metabolic reaction that takes place in other cells in the body, a study finds.
How Immature Egg Cells in Ovaries Resist Aging
How Immature Egg Cells in Ovaries Resist Aging

The cells’ mitochondria skip a key metabolic reaction that takes place in other cells in the body, a study finds.

The cells’ mitochondria skip a key metabolic reaction that takes place in other cells in the body, a study finds.

Xenopus
Image of the Day: Scrambled Frog Eggs
Emily Makowski | Nov 6, 2019 | 2 min read
Cellular innards can reorganize themselves to form structures similar to cells.
Frogs Have a Bioelectric Mirror
Catherine Offord | Jan 1, 2019 | 2 min read
Amputation of one limb triggers a rapid electric response that reflects the injury in the opposite one, researchers find.
Image of the Day: Xenopus Pigment
The Scientist Staff | May 18, 2018 | 1 min read
Researchers recently used CRISPR single-guide RNAs to alter genes involved in pigmentation in frog embryos.
Caught on Camera
The Scientist Staff | Jan 1, 2018 | 1 min read
Selected Images of the Day from the-scientist.com
Image of the Day: Tadpole Prism
The Scientist Staff and The Scientist Staff | Nov 3, 2017 | 1 min read
Scientists are making use of Xenopus tadpoles to study autism risk genes. 
Gravity Determines Cell Size
Abby Olena | Oct 29, 2013 | 2 min read
Researchers show that cells may have evolved to be small because of gravitational forces.
Tadpoles See with Extra Eyes
Sabrina Richards | Feb 27, 2013 | 3 min read
Blind tadpoles regain vision when new eyes are grafted onto their tails. 
Taking the Long View
Karen Hopkin | Sep 1, 2012 | 9 min read
In exploring how embryos take shape, John Wallingford has identified a key pathway involved in vertebrate development—and human disease.
Of Frogs and Embryos
Karen Hopkin | Sep 1, 2012 | 1 min read
Associate Professor in Molecular Cell & Developmental Biology at the University of Texas at Austin, John Wallingford, makes his living using cutting-edge microscopic techniques to watch developmental events unfold in real time.
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