给孩子提供各种各样的零食会鼓励他们吃得更多

一项新的研究发现，给孩子们提供各种各样和大量的零食会鼓励他们吃得更多，并可能会导致体重问题。研究还发现，零食的摆放方式（大容器或小容器）对儿童零食的数量影响不大。

Offering children a wide variety and large quantities of snack food encourages them to eat more

https://www.sciencedaily.com/releases/2019/07/190719105511.htm

Journal Reference:

1. Jessica A. Kerr, Pauline W. Jansen, Fiona K. Mensah, Kay Gibbons, Tim S. Olds, John B. Carlin, Susan A. Clifford, David Burgner, Lisa Gold, Louise A. Baur, Melissa Wake. Child and adult snack food intake in response to manipulated pre-packaged snack item quantity/variety and snack box size: a population-based randomized trial. International Journal of Obesity, 2019; DOI: 10.1038/s41366-019-0407-z

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成功应用机器学习发现新聚合物

Successful application of machine learning in the discovery of new polymers

https://www.sciencedaily.com/releases/2019/07/190719102133.htm

Journal Reference:

1. Stephen Wu, Yukiko Kondo, Masa-aki Kakimoto, Bin Yang, Hironao Yamada, Isao Kuwajima, Guillaume Lambard, Kenta Hongo, Yibin Xu, Junichiro Shiomi, Christoph Schick, Junko Morikawa, Ryo Yoshida. Machine-learning-assisted discovery of polymers with high thermal conductivity using a molecular design algorithm. npj Computational Materials, 2019; 5 (1) DOI: 10.1038/s41524-019-0203-2