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Jon Iverson (right) shares a Big Sur sunset with John Atkinson in 2017. (Photo by Corrina Jones.) After 27 years, yesterday was the final day AVTech's webmaster Jon Iverson was responsible for overseeing the company's websites, including this one. Now in his mid-60s, Jon felt it was time for him to retire while he still had the energy to explore his other interests.

After its "birth" in the Big Bang, the universe consisted mainly of hydrogen and a few helium atoms. These are the lightest elements in the periodic table. More-or-less all elements heavier than helium were produced in the 13.8 billion years between the Big Bang and the present day.

In late 2023, actor Brooke Shields suffered a seizure after "flooding" her body with water. Shields became dangerously low on sodium while preparing for her show by drinking loads of water. "I flooded my system and I drowned myself," she would later explain. "And if you dont have enough sodium in your blood or urine or your body, you can have a seizure."

Giraffes, with their distinctive body shape and variations in coat patterns, have long been an example in evolutionary biology teachings. They are a textbook example of how species adapt to their surroundings and survive under harsh conditions. Despite this, scientists and conservationists still grapple with understanding the evolutionary history of giraffes.

Delhi is reeling from the most extreme heat wave India has ever seen. While the record-breaking maximum recorded temperature of 52.9°C has been called into question by Indias Meteorological Department, its entirely possible. The city has been sweltering, with top temperatures ranging from 45.2°C to 49.1°C, at the limit of human endurance.

By Les Leopold The pundits are at it again, fretting over the latest poll numbers showing that President Biden is losing in the key swing states…

Hurricanes impact more than just the coast.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)

The problem goes beyond the fact that students from lower-income households are entering higher education at a lower rate than high-income students.