EurekAlert! Staff Picks

Each week, our team members share their favorite recent news releases, stories that caught their eye, sparked their curiosity, or made them think. We hope you’ll find them just as interesting!

Noreen Rozario

Noreen Rozario

Editorial Coordinator

From decades-long studies of humble grasses, new clues to climate resistance

This recent release from Michigan State University first caught my attention because of the visually appealing image of a beautiful meadow.

The release describes a study published in Ecology Letters that looks at nearly 40 years of data and offers insight into how biodiversity acts as a natural defense against climate threats.

The study reveals that coping with climate extremes is more complex than a simple "numbers game" (where the more species an ecosystem has, the better). They add that different dimensions of biodiversity can help nature survive and thrive in harsh conditions (like dry versus wet years).

They found that in extreme dry years, species-rich plots did better than those with fewer species. However, in wet years, the relative abundance of dominant species was more important.

Picking this release made me more mindful of how climate change impacts the smaller, often overlooked things in our environment. It’s a good reminder that protecting biodiversity is essential for our own long-term livelihood.

New twin study highlights the power of genetics

For my pick this week, I chose a release from Lund University where they describe a recent twin study published in Scientific Reports. Seeing as I am an identical twin myself, I was intrigued to hear what they had to say!

Researchers measured IQ at age 23 and socio-economic status (education, occupation and income) at age 27, and found that genetics play a big role in both. They state that "IQ is approximately 75% genetically predicted and that the correlation between IQ and socioeconomic status are mostly explained by genetics is 69-98%."

I also like how the release acknowledges limitations like how it didn't control for parents’ IQ and socio-economic status. The authors suggest that accounting for the interaction between genes and environment might shift that 75% figure by as much as 15 points. It's an interesting perspective on how genetics play a role in our success/lives in a big way that I never thought of before!

Why some people change only when enough others do

The headline for a release from University of Zurich caught my attention this week as it was something that I found relatable to the human experience: Why some people change only when enough others do.

Specifically, the study, which was published in Nature Human Behavior, shows that it is possible to measure people’s "individual thresholds" for change. In other words, they identified how much social support a person needs before they'll adopt a new behavior.

They found that the most effective way for social change (like climate action or other public health initiatives) is to understand the audience first (who is ready to change and who is not) and how influence spreads through social networks. Although the study looked at simple social scenarios, the researchers acknowledge that real-life situations involve more complex social dynamics and emphasizes that this is a "promising step toward more effective social change interventions."

It makes me wonder about my own "threshold." How much of my stance on a new issue/topic/product is truly independent, and how much of it is silently shaped by the social networks and algorithms I’m connected to?