Nature staff discuss some of the week’s top science news.
如同歷任總統的國會演說，外交政策往往被置於次要位置。儘管美國在伊朗附近大規模集結軍力，特朗普並未向美國公眾大力說明，為何需要持續的軍事行動。目前，政治逆風正吹向美國總統。
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Runaway immigration can have its economic downsides. The Deloitte report noted that a large and sudden influx of immigrants can strain local and state-level budgets, while some research has found that immigration waves can lead to a short-term rise in housing prices. A 2025 Penn-Wharton analysis of the economic effects of Trump’s sweeping deportations also reported some potential wage benefits. It found that a 10-year campaign targeting unauthorized immigrants could lead to a 5% wage gain for low-skilled authorized immigrants and native-born Americans owing to less competition.