During meiosis II, each haploid cell divides its 2 DNA threads (chromatids) between daughter cells, producing additional gametes. In spermatogenesis, the final product is 4 sperm. In oogenesis ...

Tomatillos, literally “small tomatoes” in Spanish, are spherical, plump berries containing seeds and range in color from ...

Although Mars is currently a cold, dry planet, geological evidence suggests that liquid water existed there around 3 to 4 ...

In the past several years, scientists have repeatedly demonstrated that the cells of various organisms can be repurposed into ...

Even for serious bird-watchers, Black-capped Chickadees and Carolina Chickadees are tough to tell apart. Both are members of ...

The COVID-19 variant KP.3.1.1 rose 12.7% and now makes up over 50% of COVID cases, the CDC Nowcast data tracker shows.

He identified the cause of a respiratory condition that once killed 10,000 infants annually in the United States and helped ...

Christmas is all about bright, sparkling colors lighting up the long winter nights. Red and green, in particular, are two ...

Protein structures predicted by artificial intelligence have charted the evolution of the virus family responsible for dengue ...

James W. Satterlee receives funding from the National Science Foundation (IOS-2305651). As any avid gardener will tell you, plants with sharp thorns and prickles can leave you looking like you’ve had ...

This discovery indicates that formaldehyde contributed to the formation of organic matter on ancient Mars, implying that bio-important molecules such as sugars and ribose (a component of RNA, which is ...

Scripps Research scientists have created a method using four-nucleotide codons to incorporate non-canonical amino acids into ...