How may have the female orgasm evolved? Why shouldn't you be too upset to have parasites? Find out in ScienceSeeker's picks of the best posts for the week of Sept 30 - Oct 6, 2019 #SciSeekPicks #SciComm

In this week's most important and topical posts from the world of science news, explore the neurological reward mechanisms that make mourning a part of the healing process, and read about how Brexit may be bad for minorities' mental health. ScienceSeeker editors' favourite posts within their respective areas of interest and expertise also cover many other important and exciting topics. Why not have a read, inform yourself, and indulge your scientific curiosity?

• Some people with anxiety may actively resist relaxation in favor of worrying, according to new research by Science Beta.

When you're worried, taking action may make you feel like you'll be less worried in future, which can lead to those who need rest most avoiding it.
Credit: jeet_sen via Flickr (CC BY-ND 2.0)

• Let’s talk about climate grief and anxiety by Juanita Constible for NRDC.
• Is mourning rewarding? (revisited) by The Neurocritic.
• When people close to us behave immorally, we are inclined to protect them — even if their crimes are particularly heinous by Matt Warren for BPS Research Digest. 
• “Concerns have been expressed about the potential negative impact of Brexit on the mental health of Black and Minority Ethnic people.” by Paul Biegler for Cosmos magazine.
• Starting a PhD… at 58 years old? by Dr Catherine Racine at The Thesis Whisperer.
• 3 ways to shape math into a positive experience by Kara Newhouse for KQED News.
• What will win the 2019 Nobel Prize in Physics? by  Chad Orzel at Forbes.
• Six reasons why you should give parasites a break by My Science Game.
• Rare zebra foal with polka dots spotted in Kenya by GrrlScientist.
• How are amber teething necklaces supposed to work? by Kat Day at The Chronicle Flask.
• How mothers help build the immune systems of their children during pregnancy by Mass General Research Institute.
• Female orgasm may have evolved from a trigger for ovulation  by Clare Wilson for New Scientist.
• Double protostar caught in process of forming by Sci-News.com.
• Has Google actually achieved ‘Quantum Supremacy’ with its new Quantum Computer? by Ethan Siegel at Starts With A Bang.

Check back next week for more great picks!