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Ucla Research

All articles tagged with #ucla research

science1 month ago•2 min saved

Isotope Analysis Confirms T. rex Maintained Human-Like Body Temperature

A UCLA study published in Science Advances confirms that Tyrannosaurus rex was warm-blooded, with a body temperature of approximately 97.3 degrees Fahrenheit. By analyzing carbon and oxygen isotopes in tooth enamel from two specimens, including 'Thomas the T. rex,' researchers determined the dinosaur’s metabolic heat was comparable to modern elephants and large birds. This finding supports the theory that T. rex was an active predator capable of surviving in diverse climates, including high latitudes, rather than a sluggish, cold-blooded ambush hunter.

via Jalopnik|

#dinosaur-evolution #paleontology #science

science2 months ago•8 min saved

UCLA Study Finds Lunar Pits Hold Steady 17°C, Boosting Case for Underground Habitats

A UCLA-led study using NASA’s Lunar Reconnaissance Orbiter data shows that permanently shaded areas within specific lunar pits maintain a stable temperature of approximately 17°C, contrasting sharply with the exposed surface’s extreme swings between 127°C and -173°C. This thermal stability, driven by the geometry of the pits and potential connections to ancient lava tubes, offers a natural buffer against radiation and micrometeorites. While this does not confirm a viable base, it identifies promising sites for future robotic inspection and potential underground habitation.

via Space Daily|

#lava-tubes #lunar-exploration #nasa-lro

health-and-psychology2 years ago•4 min saved

"The Impact of 'Eldest Daughter Syndrome' on First-Born Girls with a Specific Type of Mother: Study Findings"

UCLA researchers have found that "eldest daughter syndrome" may be related to a mother's depression, stress, and anxiety during pregnancy, leading to first-born daughters taking on more responsibilities and maturing earlier to help care for their siblings. A 15-year longitudinal study of 253 mother-child pairs revealed a correlation between high levels of prenatal stress and early signs of adrenal puberty in first-born daughters. The study emphasizes the lifelong impacts of prenatal emotional and environmental factors on women and their offspring, highlighting the need for greater access to healthcare and well-being for pregnant mothers.

via New York Post |

#birth-order-theory #eldest-daughter-syndrome #health-and-psychology

health2 years ago•2 min saved

"The Influence of Semen Microbiome on Male Fertility"

A study from the Department of Urology at UCLA suggests that the semen microbiome may significantly influence male fertility by impacting sperm parameters. Researchers found that the presence of certain microbes, particularly Lactobacillus iners, may have a negative effect on sperm motility. Additionally, three types of bacteria in the Pseudomonas group were associated with both normal and abnormal sperm concentrations. These findings highlight the potential importance of the semen microbiome in male infertility and pave the way for further research in this area.

via Phys.org|

#health #male-fertility #microorganisms