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OUR TOP STORIES OF THE WEEK

Friday, June 21, 2024

This week’s top picks include a look why girls are going through puberty at much younger ages, an ancient use of cannabis, tips on how to protect yourself from mosquitoes and ticks this summer, and a quiz on the world’s oldest calendar. Here’s the countdown …

An elementary school girl, seen from behind, pausing as she enters a school cafeteria

PHOTOGRAPH BY SDI PRODUCTIONS, GETTY IMAGES

#10

Girls are going through puberty much earlier. Why? What are the ramifications?

#9

A summer solstice shines on Stonehenge’s mystery Related: Stonehenge was part of a multi-monument complex. Here’s how it fit.

#8

A big win for a big fish: How one of the world’s biggest freshwater fish is making a conservational comeback

#7

Get off your parent’s plan. Take control of your own medical health. And pay attention to your diet.

#6

Why does hair turn gray?

#5

Are you a mosquito magnet? Here’s what to do.

#4

Will this be a sober summer for you? Your body may thank you.

#3

Ticks are back with a vengeance. How to protect yourself.

#2

Ancient cannabis ‘burial shroud’ discovered in desert oasis

AND OUR #1 STORY

A computer illtration of an exploding star.

ILLUSTRATION BY MEHAU KULYK, SCIENCE PHOTO LIBRARY

Astronomers have found the oldest supernova yet… and it’s like looking back in time. Ten times more distant than we have ever seen before, this supernova (illustrated above) represents a time when the universe was two billion years young. See what it looks like!

OLDEST AND FARTHEST SUPERNOVA

FROM THE VAULT

Oldest calendar pits discovered in Scotland.

ILLUSTRATION COURTESY EUGENE CH’NG, ELEANOR RAMSEY, AND VINCENT GAFFNEY

The world’s oldest calendar pre-dates Bronze Age monuments in Mesopotamia that previously held this title. It is made of strategically-dug pits (illustrated above), designed to mimic the various phases of the moon. Where is it located?

A. Iran
B. Scotland
C. Russia
D. Norway

CLICK HERE FOR THE ANSWER

Related: What is the summer solstice?

Today’s soundtrack: Champagne Supernova, Oasis

This newsletter has been curated and edited by David Beard, Nancy San Martín, and Nishita Naga. Contributors include Alec Egamov, Amanda Williams-Bryant, Rita Spinks, and Susie Murphy. Thanks for reading!

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